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Finding the Fourth Proportional to 461,127.66, 636,340.50 and 254,404.32

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Solution

The fourth proportional to 461,127.66, 636,340.50 and 254,404.32 is: 351,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,127.66 : 636,340.50 = 254,404.32 : x
  2. Step 2: Convert to fraction form
    461,127.66/636,340.50 = 254,404.32/x
  3. Step 3: Cross multiply
    461,127.66x = 636,340.50 × 254,404.32
  4. Step 4: Simplify right side
    461,127.66x = 161,887,772,190.96
  5. Step 5: Solve for x
    x = 161,887,772,190.96/461,127.66
  6. Step 6: Final answer
    x = 351,069.32

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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.