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Finding the Fourth Proportional to 704,870.54, 972,695.28 and 382,573.73

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Solution

The fourth proportional to 704,870.54, 972,695.28 and 382,573.73 is: 527,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,870.54 : 972,695.28 = 382,573.73 : x
  2. Step 2: Convert to fraction form
    704,870.54/972,695.28 = 382,573.73/x
  3. Step 3: Cross multiply
    704,870.54x = 972,695.28 × 382,573.73
  4. Step 4: Simplify right side
    704,870.54x = 372,127,665,289.38
  5. Step 5: Solve for x
    x = 372,127,665,289.38/704,870.54
  6. Step 6: Final answer
    x = 527,937.61

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Double scale
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1.5x scale

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.