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Finding the Fourth Proportional to 440,755.92, 608,256 and 249,762.96

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Solution

The fourth proportional to 440,755.92, 608,256 and 249,762.96 is: 344,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,755.92 : 608,256 = 249,762.96 : x
  2. Step 2: Convert to fraction form
    440,755.92/608,256 = 249,762.96/x
  3. Step 3: Cross multiply
    440,755.92x = 608,256 × 249,762.96
  4. Step 4: Simplify right side
    440,755.92x = 151,919,818,997.76
  5. Step 5: Solve for x
    x = 151,919,818,997.76/440,755.92
  6. Step 6: Final answer
    x = 344,680.16

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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.