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Finding the Fourth Proportional to 527,151.70, 788,884.35 and 482,914.90

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Solution

The fourth proportional to 527,151.70, 788,884.35 and 482,914.90 is: 722,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,151.70 : 788,884.35 = 482,914.90 : x
  2. Step 2: Convert to fraction form
    527,151.70/788,884.35 = 482,914.90/x
  3. Step 3: Cross multiply
    527,151.70x = 788,884.35 × 482,914.90
  4. Step 4: Simplify right side
    527,151.70x = 380,964,006,991.82
  5. Step 5: Solve for x
    x = 380,964,006,991.82/527,151.70
  6. Step 6: Final answer
    x = 722,683.83

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1.5x scale

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.