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Finding the Fourth Proportional to 516,448.48, 773,972.16 and 249,677.68

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Solution

The fourth proportional to 516,448.48, 773,972.16 and 249,677.68 is: 374,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,448.48 : 773,972.16 = 249,677.68 : x
  2. Step 2: Convert to fraction form
    516,448.48/773,972.16 = 249,677.68/x
  3. Step 3: Cross multiply
    516,448.48x = 773,972.16 × 249,677.68
  4. Step 4: Simplify right side
    516,448.48x = 193,243,573,293.39
  5. Step 5: Solve for x
    x = 193,243,573,293.39/516,448.48
  6. Step 6: Final answer
    x = 374,177.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.