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Finding the Fourth Proportional to 635,381.72, 957,534.93 and 572,280.92

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Solution

The fourth proportional to 635,381.72, 957,534.93 and 572,280.92 is: 862,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,381.72 : 957,534.93 = 572,280.92 : x
  2. Step 2: Convert to fraction form
    635,381.72/957,534.93 = 572,280.92/x
  3. Step 3: Cross multiply
    635,381.72x = 957,534.93 × 572,280.92
  4. Step 4: Simplify right side
    635,381.72x = 547,978,970,672.54
  5. Step 5: Solve for x
    x = 547,978,970,672.54/635,381.72
  6. Step 6: Final answer
    x = 862,440.57

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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.