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Finding the Fourth Proportional to 440,385.60, 607,711.82 and 249,400.38

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Solution

The fourth proportional to 440,385.60, 607,711.82 and 249,400.38 is: 344,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,385.60 : 607,711.82 = 249,400.38 : x
  2. Step 2: Convert to fraction form
    440,385.60/607,711.82 = 249,400.38/x
  3. Step 3: Cross multiply
    440,385.60x = 607,711.82 × 249,400.38
  4. Step 4: Simplify right side
    440,385.60x = 151,563,558,838.49
  5. Step 5: Solve for x
    x = 151,563,558,838.49/440,385.60
  6. Step 6: Final answer
    x = 344,161.02

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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.