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Finding the Fourth Proportional to 707,425.40, 1,060,471.06 and 352,103.52

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Solution

The fourth proportional to 707,425.40, 1,060,471.06 and 352,103.52 is: 527,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,425.40 : 1,060,471.06 = 352,103.52 : x
  2. Step 2: Convert to fraction form
    707,425.40/1,060,471.06 = 352,103.52/x
  3. Step 3: Cross multiply
    707,425.40x = 1,060,471.06 × 352,103.52
  4. Step 4: Simplify right side
    707,425.40x = 373,395,593,084.13
  5. Step 5: Solve for x
    x = 373,395,593,084.13/707,425.40
  6. Step 6: Final answer
    x = 527,823.28

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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.