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Finding the Fourth Proportional to 461,127, 636,355.26 and 259,923

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Solution

The fourth proportional to 461,127, 636,355.26 and 259,923 is: 358,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,127 : 636,355.26 = 259,923 : x
  2. Step 2: Convert to fraction form
    461,127/636,355.26 = 259,923/x
  3. Step 3: Cross multiply
    461,127x = 636,355.26 × 259,923
  4. Step 4: Simplify right side
    461,127x = 165,403,368,244.98
  5. Step 5: Solve for x
    x = 165,403,368,244.98/461,127
  6. Step 6: Final answer
    x = 358,693.74

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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.