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Finding the Fourth Proportional to 704,891.60, 972,751.24 and 382,601.68

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Solution

The fourth proportional to 704,891.60, 972,751.24 and 382,601.68 is: 527,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,891.60 : 972,751.24 = 382,601.68 : x
  2. Step 2: Convert to fraction form
    704,891.60/972,751.24 = 382,601.68/x
  3. Step 3: Cross multiply
    704,891.60x = 972,751.24 × 382,601.68
  4. Step 4: Simplify right side
    704,891.60x = 372,176,258,646.08
  5. Step 5: Solve for x
    x = 372,176,258,646.08/704,891.60
  6. Step 6: Final answer
    x = 527,990.77

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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.