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Finding the Fourth Proportional to 461,063.50, 636,287.07 and 259,859.50

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Solution

The fourth proportional to 461,063.50, 636,287.07 and 259,859.50 is: 358,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,063.50 : 636,287.07 = 259,859.50 : x
  2. Step 2: Convert to fraction form
    461,063.50/636,287.07 = 259,859.50/x
  3. Step 3: Cross multiply
    461,063.50x = 636,287.07 × 259,859.50
  4. Step 4: Simplify right side
    461,063.50x = 165,345,239,866.67
  5. Step 5: Solve for x
    x = 165,345,239,866.67/461,063.50
  6. Step 6: Final answer
    x = 358,617.07

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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.