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Finding the Fourth Proportional to 436,432.69, 601,935.15 and 298,693.09

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Solution

The fourth proportional to 436,432.69, 601,935.15 and 298,693.09 is: 411,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,432.69 : 601,935.15 = 298,693.09 : x
  2. Step 2: Convert to fraction form
    436,432.69/601,935.15 = 298,693.09/x
  3. Step 3: Cross multiply
    436,432.69x = 601,935.15 × 298,693.09
  4. Step 4: Simplify right side
    436,432.69x = 179,793,869,933.11
  5. Step 5: Solve for x
    x = 179,793,869,933.11/436,432.69
  6. Step 6: Final answer
    x = 411,962.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.