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Finding the Fourth Proportional to 474,253.59, 711,236.80 and 249,490.07

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Solution

The fourth proportional to 474,253.59, 711,236.80 and 249,490.07 is: 374,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,253.59 : 711,236.80 = 249,490.07 : x
  2. Step 2: Convert to fraction form
    474,253.59/711,236.80 = 249,490.07/x
  3. Step 3: Cross multiply
    474,253.59x = 711,236.80 × 249,490.07
  4. Step 4: Simplify right side
    474,253.59x = 177,446,514,838.67
  5. Step 5: Solve for x
    x = 177,446,514,838.67/474,253.59
  6. Step 6: Final answer
    x = 374,159.56

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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.