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Finding the Fourth Proportional to 672,754.24, 927,436.16 and 529,265.12

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Solution

The fourth proportional to 672,754.24, 927,436.16 and 529,265.12 is: 729,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,754.24 : 927,436.16 = 529,265.12 : x
  2. Step 2: Convert to fraction form
    672,754.24/927,436.16 = 529,265.12/x
  3. Step 3: Cross multiply
    672,754.24x = 927,436.16 × 529,265.12
  4. Step 4: Simplify right side
    672,754.24x = 490,859,610,514.74
  5. Step 5: Solve for x
    x = 490,859,610,514.74/672,754.24
  6. Step 6: Final answer
    x = 729,626.93

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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.