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Finding the Fourth Proportional to 478,541.64, 717,937.06 and 179,045.62

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Solution

The fourth proportional to 478,541.64, 717,937.06 and 179,045.62 is: 268,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,541.64 : 717,937.06 = 179,045.62 : x
  2. Step 2: Convert to fraction form
    478,541.64/717,937.06 = 179,045.62/x
  3. Step 3: Cross multiply
    478,541.64x = 717,937.06 × 179,045.62
  4. Step 4: Simplify right side
    478,541.64x = 128,543,486,028.68
  5. Step 5: Solve for x
    x = 128,543,486,028.68/478,541.64
  6. Step 6: Final answer
    x = 268,615.05

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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.