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Finding the Fourth Proportional to 609,281.16, 840,543.30 and 367,429.34

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Solution

The fourth proportional to 609,281.16, 840,543.30 and 367,429.34 is: 506,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,281.16 : 840,543.30 = 367,429.34 : x
  2. Step 2: Convert to fraction form
    609,281.16/840,543.30 = 367,429.34/x
  3. Step 3: Cross multiply
    609,281.16x = 840,543.30 × 367,429.34
  4. Step 4: Simplify right side
    609,281.16x = 308,840,265,757.71
  5. Step 5: Solve for x
    x = 308,840,265,757.71/609,281.16
  6. Step 6: Final answer
    x = 506,892.85

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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.