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Finding the Fourth Proportional to 526,424.57, 726,555.23 and 297,046.88

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Solution

The fourth proportional to 526,424.57, 726,555.23 and 297,046.88 is: 409,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,424.57 : 726,555.23 = 297,046.88 : x
  2. Step 2: Convert to fraction form
    526,424.57/726,555.23 = 297,046.88/x
  3. Step 3: Cross multiply
    526,424.57x = 726,555.23 × 297,046.88
  4. Step 4: Simplify right side
    526,424.57x = 215,820,966,422.56
  5. Step 5: Solve for x
    x = 215,820,966,422.56/526,424.57
  6. Step 6: Final answer
    x = 409,975.10

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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.