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Finding the Fourth Proportional to 478,625.01, 718,062.05 and 179,129.13

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Solution

The fourth proportional to 478,625.01, 718,062.05 and 179,129.13 is: 268,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,625.01 : 718,062.05 = 179,129.13 : x
  2. Step 2: Convert to fraction form
    478,625.01/718,062.05 = 179,129.13/x
  3. Step 3: Cross multiply
    478,625.01x = 718,062.05 × 179,129.13
  4. Step 4: Simplify right side
    478,625.01x = 128,625,830,302.52
  5. Step 5: Solve for x
    x = 128,625,830,302.52/478,625.01
  6. Step 6: Final answer
    x = 268,740.30

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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.