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Finding the Fourth Proportional to 429,545.47, 592,701.57 and 248,274.31

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Solution

The fourth proportional to 429,545.47, 592,701.57 and 248,274.31 is: 342,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,545.47 : 592,701.57 = 248,274.31 : x
  2. Step 2: Convert to fraction form
    429,545.47/592,701.57 = 248,274.31/x
  3. Step 3: Cross multiply
    429,545.47x = 592,701.57 × 248,274.31
  4. Step 4: Simplify right side
    429,545.47x = 147,152,573,327.67
  5. Step 5: Solve for x
    x = 147,152,573,327.67/429,545.47
  6. Step 6: Final answer
    x = 342,577.41

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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.