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Finding the Fourth Proportional to 626,663.64, 940,031.93 and 177,346.92

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Solution

The fourth proportional to 626,663.64, 940,031.93 and 177,346.92 is: 266,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,663.64 : 940,031.93 = 177,346.92 : x
  2. Step 2: Convert to fraction form
    626,663.64/940,031.93 = 177,346.92/x
  3. Step 3: Cross multiply
    626,663.64x = 940,031.93 × 177,346.92
  4. Step 4: Simplify right side
    626,663.64x = 166,711,766,600.42
  5. Step 5: Solve for x
    x = 166,711,766,600.42/626,663.64
  6. Step 6: Final answer
    x = 266,030.70

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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.