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Finding the Fourth Proportional to 467,592.21, 645,272.73 and 260,862.39

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Solution

The fourth proportional to 467,592.21, 645,272.73 and 260,862.39 is: 359,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,592.21 : 645,272.73 = 260,862.39 : x
  2. Step 2: Convert to fraction form
    467,592.21/645,272.73 = 260,862.39/x
  3. Step 3: Cross multiply
    467,592.21x = 645,272.73 × 260,862.39
  4. Step 4: Simplify right side
    467,592.21x = 168,327,386,549.63
  5. Step 5: Solve for x
    x = 168,327,386,549.63/467,592.21
  6. Step 6: Final answer
    x = 359,987.58

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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.