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Finding the Fourth Proportional to 635,379.72, 957,531.91 and 572,278.92

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Solution

The fourth proportional to 635,379.72, 957,531.91 and 572,278.92 is: 862,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,379.72 : 957,531.91 = 572,278.92 : x
  2. Step 2: Convert to fraction form
    635,379.72/957,531.91 = 572,278.92/x
  3. Step 3: Cross multiply
    635,379.72x = 957,531.91 × 572,278.92
  4. Step 4: Simplify right side
    635,379.72x = 547,975,327,320.34
  5. Step 5: Solve for x
    x = 547,975,327,320.34/635,379.72
  6. Step 6: Final answer
    x = 862,437.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.