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Finding the Fourth Proportional to 404,712.30, 607,068.45 and 377,064.30

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Solution

The fourth proportional to 404,712.30, 607,068.45 and 377,064.30 is: 565,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,712.30 : 607,068.45 = 377,064.30 : x
  2. Step 2: Convert to fraction form
    404,712.30/607,068.45 = 377,064.30/x
  3. Step 3: Cross multiply
    404,712.30x = 607,068.45 × 377,064.30
  4. Step 4: Simplify right side
    404,712.30x = 228,903,840,151.34
  5. Step 5: Solve for x
    x = 228,903,840,151.34/404,712.30
  6. Step 6: Final answer
    x = 565,596.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.