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Finding the Fourth Proportional to 570,127.52, 786,859.04 and 328,363.04

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Solution

The fourth proportional to 570,127.52, 786,859.04 and 328,363.04 is: 453,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,127.52 : 786,859.04 = 328,363.04 : x
  2. Step 2: Convert to fraction form
    570,127.52/786,859.04 = 328,363.04/x
  3. Step 3: Cross multiply
    570,127.52x = 786,859.04 × 328,363.04
  4. Step 4: Simplify right side
    570,127.52x = 258,375,426,425.88
  5. Step 5: Solve for x
    x = 258,375,426,425.88/570,127.52
  6. Step 6: Final answer
    x = 453,188.83

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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.