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Finding the Fourth Proportional to 429,055.48, 592,057.41 and 254,595.62

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Solution

The fourth proportional to 429,055.48, 592,057.41 and 254,595.62 is: 351,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,055.48 : 592,057.41 = 254,595.62 : x
  2. Step 2: Convert to fraction form
    429,055.48/592,057.41 = 254,595.62/x
  3. Step 3: Cross multiply
    429,055.48x = 592,057.41 × 254,595.62
  4. Step 4: Simplify right side
    429,055.48x = 150,735,222,479.10
  5. Step 5: Solve for x
    x = 150,735,222,479.10/429,055.48
  6. Step 6: Final answer
    x = 351,318.72

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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.