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Finding the Fourth Proportional to 527,211.10, 790,816.65 and 506,543.95

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Solution

The fourth proportional to 527,211.10, 790,816.65 and 506,543.95 is: 759,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,211.10 : 790,816.65 = 506,543.95 : x
  2. Step 2: Convert to fraction form
    527,211.10/790,816.65 = 506,543.95/x
  3. Step 3: Cross multiply
    527,211.10x = 790,816.65 × 506,543.95
  4. Step 4: Simplify right side
    527,211.10x = 400,583,389,616.77
  5. Step 5: Solve for x
    x = 400,583,389,616.77/527,211.10
  6. Step 6: Final answer
    x = 759,815.93

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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.