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Finding the Fourth Proportional to 656,641.47, 984,888.36 and 176,904.73

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Solution

The fourth proportional to 656,641.47, 984,888.36 and 176,904.73 is: 265,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,641.47 : 984,888.36 = 176,904.73 : x
  2. Step 2: Convert to fraction form
    656,641.47/984,888.36 = 176,904.73/x
  3. Step 3: Cross multiply
    656,641.47x = 984,888.36 × 176,904.73
  4. Step 4: Simplify right side
    656,641.47x = 174,231,406,943.72
  5. Step 5: Solve for x
    x = 174,231,406,943.72/656,641.47
  6. Step 6: Final answer
    x = 265,337.20

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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.