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Finding the Fourth Proportional to 429,545.97, 592,702.26 and 248,274.81

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Solution

The fourth proportional to 429,545.97, 592,702.26 and 248,274.81 is: 342,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,545.97 : 592,702.26 = 248,274.81 : x
  2. Step 2: Convert to fraction form
    429,545.97/592,702.26 = 248,274.81/x
  3. Step 3: Cross multiply
    429,545.97x = 592,702.26 × 248,274.81
  4. Step 4: Simplify right side
    429,545.97x = 147,153,040,988.07
  5. Step 5: Solve for x
    x = 147,153,040,988.07/429,545.97
  6. Step 6: Final answer
    x = 342,578.10

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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.