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Finding the Fourth Proportional to 417,530.31, 576,184.63 and 254,127.58

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Solution

The fourth proportional to 417,530.31, 576,184.63 and 254,127.58 is: 350,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,530.31 : 576,184.63 = 254,127.58 : x
  2. Step 2: Convert to fraction form
    417,530.31/576,184.63 = 254,127.58/x
  3. Step 3: Cross multiply
    417,530.31x = 576,184.63 × 254,127.58
  4. Step 4: Simplify right side
    417,530.31x = 146,424,403,698.44
  5. Step 5: Solve for x
    x = 146,424,403,698.44/417,530.31
  6. Step 6: Final answer
    x = 350,691.68

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1.5x scale

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.