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Finding the Fourth Proportional to 527,555.30, 791,332.95 and 504,518.90

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Solution

The fourth proportional to 527,555.30, 791,332.95 and 504,518.90 is: 756,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,555.30 : 791,332.95 = 504,518.90 : x
  2. Step 2: Convert to fraction form
    527,555.30/791,332.95 = 504,518.90/x
  3. Step 3: Cross multiply
    527,555.30x = 791,332.95 × 504,518.90
  4. Step 4: Simplify right side
    527,555.30x = 399,242,429,467.76
  5. Step 5: Solve for x
    x = 399,242,429,467.76/527,555.30
  6. Step 6: Final answer
    x = 756,778.35

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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.