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Finding the Fourth Proportional to 259,344.59, 357,897.09 and 144,630.48

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Solution

The fourth proportional to 259,344.59, 357,897.09 and 144,630.48 is: 199,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,344.59 : 357,897.09 = 144,630.48 : x
  2. Step 2: Convert to fraction form
    259,344.59/357,897.09 = 144,630.48/x
  3. Step 3: Cross multiply
    259,344.59x = 357,897.09 × 144,630.48
  4. Step 4: Simplify right side
    259,344.59x = 51,762,828,891.72
  5. Step 5: Solve for x
    x = 51,762,828,891.72/259,344.59
  6. Step 6: Final answer
    x = 199,590.94

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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.