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Finding the Fourth Proportional to 527,904.60, 791,856.90 and 497,491.80

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Solution

The fourth proportional to 527,904.60, 791,856.90 and 497,491.80 is: 746,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,904.60 : 791,856.90 = 497,491.80 : x
  2. Step 2: Convert to fraction form
    527,904.60/791,856.90 = 497,491.80/x
  3. Step 3: Cross multiply
    527,904.60x = 791,856.90 × 497,491.80
  4. Step 4: Simplify right side
    527,904.60x = 393,942,314,523.42
  5. Step 5: Solve for x
    x = 393,942,314,523.42/527,904.60
  6. Step 6: Final answer
    x = 746,237.70

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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.