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Finding the Fourth Proportional to 877,325.52, 1,315,720.32 and 371,877

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Solution

The fourth proportional to 877,325.52, 1,315,720.32 and 371,877 is: 557,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,325.52 : 1,315,720.32 = 371,877 : x
  2. Step 2: Convert to fraction form
    877,325.52/1,315,720.32 = 371,877/x
  3. Step 3: Cross multiply
    877,325.52x = 1,315,720.32 × 371,877
  4. Step 4: Simplify right side
    877,325.52x = 489,286,125,440.64
  5. Step 5: Solve for x
    x = 489,286,125,440.64/877,325.52
  6. Step 6: Final answer
    x = 557,701.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.