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Finding the Fourth Proportional to 334,335.76, 498,028.74 and 316,227.04

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Solution

The fourth proportional to 334,335.76, 498,028.74 and 316,227.04 is: 471,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,335.76 : 498,028.74 = 316,227.04 : x
  2. Step 2: Convert to fraction form
    334,335.76/498,028.74 = 316,227.04/x
  3. Step 3: Cross multiply
    334,335.76x = 498,028.74 × 316,227.04
  4. Step 4: Simplify right side
    334,335.76x = 157,490,154,285.13
  5. Step 5: Solve for x
    x = 157,490,154,285.13/334,335.76
  6. Step 6: Final answer
    x = 471,053.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.