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Finding the Fourth Proportional to 601,270.38, 829,354.38 and 386,681.94

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Solution

The fourth proportional to 601,270.38, 829,354.38 and 386,681.94 is: 533,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,270.38 : 829,354.38 = 386,681.94 : x
  2. Step 2: Convert to fraction form
    601,270.38/829,354.38 = 386,681.94/x
  3. Step 3: Cross multiply
    601,270.38x = 829,354.38 × 386,681.94
  4. Step 4: Simplify right side
    601,270.38x = 320,696,360,605.90
  5. Step 5: Solve for x
    x = 320,696,360,605.90/601,270.38
  6. Step 6: Final answer
    x = 533,364.64

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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.