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Finding the Fourth Proportional to 537,129.48, 741,243.62 and 292,116.52

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Solution

The fourth proportional to 537,129.48, 741,243.62 and 292,116.52 is: 403,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,129.48 : 741,243.62 = 292,116.52 : x
  2. Step 2: Convert to fraction form
    537,129.48/741,243.62 = 292,116.52/x
  3. Step 3: Cross multiply
    537,129.48x = 741,243.62 × 292,116.52
  4. Step 4: Simplify right side
    537,129.48x = 216,529,506,746.60
  5. Step 5: Solve for x
    x = 216,529,506,746.60/537,129.48
  6. Step 6: Final answer
    x = 403,123.48

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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.