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Finding the Fourth Proportional to 440,387.60, 607,714.58 and 249,402.38

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Solution

The fourth proportional to 440,387.60, 607,714.58 and 249,402.38 is: 344,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,387.60 : 607,714.58 = 249,402.38 : x
  2. Step 2: Convert to fraction form
    440,387.60/607,714.58 = 249,402.38/x
  3. Step 3: Cross multiply
    440,387.60x = 607,714.58 × 249,402.38
  4. Step 4: Simplify right side
    440,387.60x = 151,565,462,612.70
  5. Step 5: Solve for x
    x = 151,565,462,612.70/440,387.60
  6. Step 6: Final answer
    x = 344,163.78

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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.