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Finding the Fourth Proportional to 527,552.80, 791,329.20 and 504,516.40

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Solution

The fourth proportional to 527,552.80, 791,329.20 and 504,516.40 is: 756,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,552.80 : 791,329.20 = 504,516.40 : x
  2. Step 2: Convert to fraction form
    527,552.80/791,329.20 = 504,516.40/x
  3. Step 3: Cross multiply
    527,552.80x = 791,329.20 × 504,516.40
  4. Step 4: Simplify right side
    527,552.80x = 399,238,559,198.88
  5. Step 5: Solve for x
    x = 399,238,559,198.88/527,552.80
  6. Step 6: Final answer
    x = 756,774.60

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Double scale
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Similar ratio
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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.