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Finding the Fourth Proportional to 292,452.84, 438,818.74 and 159,330.15

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Solution

The fourth proportional to 292,452.84, 438,818.74 and 159,330.15 is: 239,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,452.84 : 438,818.74 = 159,330.15 : x
  2. Step 2: Convert to fraction form
    292,452.84/438,818.74 = 159,330.15/x
  3. Step 3: Cross multiply
    292,452.84x = 438,818.74 × 159,330.15
  4. Step 4: Simplify right side
    292,452.84x = 69,917,055,268.69
  5. Step 5: Solve for x
    x = 69,917,055,268.69/292,452.84
  6. Step 6: Final answer
    x = 239,071.21

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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.