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Finding the Fourth Proportional to 352,886.52, 529,259.82 and 172,894.92

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Solution

The fourth proportional to 352,886.52, 529,259.82 and 172,894.92 is: 259,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,886.52 : 529,259.82 = 172,894.92 : x
  2. Step 2: Convert to fraction form
    352,886.52/529,259.82 = 172,894.92/x
  3. Step 3: Cross multiply
    352,886.52x = 529,259.82 × 172,894.92
  4. Step 4: Simplify right side
    352,886.52x = 91,506,334,238.11
  5. Step 5: Solve for x
    x = 91,506,334,238.11/352,886.52
  6. Step 6: Final answer
    x = 259,308.10

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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.