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Finding the Fourth Proportional to 469,902.52, 648,466.04 and 255,042.63

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Solution

The fourth proportional to 469,902.52, 648,466.04 and 255,042.63 is: 351,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,902.52 : 648,466.04 = 255,042.63 : x
  2. Step 2: Convert to fraction form
    469,902.52/648,466.04 = 255,042.63/x
  3. Step 3: Cross multiply
    469,902.52x = 648,466.04 × 255,042.63
  4. Step 4: Simplify right side
    469,902.52x = 165,386,484,307.29
  5. Step 5: Solve for x
    x = 165,386,484,307.29/469,902.52
  6. Step 6: Final answer
    x = 351,959.13

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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.