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Finding the Fourth Proportional to 609,358.16, 840,855.57 and 364,294.49

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Solution

The fourth proportional to 609,358.16, 840,855.57 and 364,294.49 is: 502,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,358.16 : 840,855.57 = 364,294.49 : x
  2. Step 2: Convert to fraction form
    609,358.16/840,855.57 = 364,294.49/x
  3. Step 3: Cross multiply
    609,358.16x = 840,855.57 × 364,294.49
  4. Step 4: Simplify right side
    609,358.16x = 306,319,046,832.53
  5. Step 5: Solve for x
    x = 306,319,046,832.53/609,358.16
  6. Step 6: Final answer
    x = 502,691.31

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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.