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Finding the Fourth Proportional to 461,074.50, 636,399.45 and 259,987.14

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Solution

The fourth proportional to 461,074.50, 636,399.45 and 259,987.14 is: 358,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,074.50 : 636,399.45 = 259,987.14 : x
  2. Step 2: Convert to fraction form
    461,074.50/636,399.45 = 259,987.14/x
  3. Step 3: Cross multiply
    461,074.50x = 636,399.45 × 259,987.14
  4. Step 4: Simplify right side
    461,074.50x = 165,455,672,903.07
  5. Step 5: Solve for x
    x = 165,455,672,903.07/461,074.50
  6. Step 6: Final answer
    x = 358,848.02

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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.