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Finding the Fourth Proportional to 359,159.68, 538,622.88 and 169,590.72

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Solution

The fourth proportional to 359,159.68, 538,622.88 and 169,590.72 is: 254,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,159.68 : 538,622.88 = 169,590.72 : x
  2. Step 2: Convert to fraction form
    359,159.68/538,622.88 = 169,590.72/x
  3. Step 3: Cross multiply
    359,159.68x = 538,622.88 × 169,590.72
  4. Step 4: Simplify right side
    359,159.68x = 91,345,442,027.67
  5. Step 5: Solve for x
    x = 91,345,442,027.67/359,159.68
  6. Step 6: Final answer
    x = 254,331.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.