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Finding the Fourth Proportional to 526,562.76, 726,549.24 and 311,595.24

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Solution

The fourth proportional to 526,562.76, 726,549.24 and 311,595.24 is: 429,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,562.76 : 726,549.24 = 311,595.24 : x
  2. Step 2: Convert to fraction form
    526,562.76/726,549.24 = 311,595.24/x
  3. Step 3: Cross multiply
    526,562.76x = 726,549.24 × 311,595.24
  4. Step 4: Simplify right side
    526,562.76x = 226,389,284,809.62
  5. Step 5: Solve for x
    x = 226,389,284,809.62/526,562.76
  6. Step 6: Final answer
    x = 429,937.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.