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Finding the Fourth Proportional to 292,801.44, 439,307.52 and 115,210.08

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Solution

The fourth proportional to 292,801.44, 439,307.52 and 115,210.08 is: 172,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,801.44 : 439,307.52 = 115,210.08 : x
  2. Step 2: Convert to fraction form
    292,801.44/439,307.52 = 115,210.08/x
  3. Step 3: Cross multiply
    292,801.44x = 439,307.52 × 115,210.08
  4. Step 4: Simplify right side
    292,801.44x = 50,612,654,523.80
  5. Step 5: Solve for x
    x = 50,612,654,523.80/292,801.44
  6. Step 6: Final answer
    x = 172,856.58

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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.