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Finding the Fourth Proportional to 259,716.39, 358,306.80 and 150,802.13

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Solution

The fourth proportional to 259,716.39, 358,306.80 and 150,802.13 is: 208,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,716.39 : 358,306.80 = 150,802.13 : x
  2. Step 2: Convert to fraction form
    259,716.39/358,306.80 = 150,802.13/x
  3. Step 3: Cross multiply
    259,716.39x = 358,306.80 × 150,802.13
  4. Step 4: Simplify right side
    259,716.39x = 54,033,426,841.95
  5. Step 5: Solve for x
    x = 54,033,426,841.95/259,716.39
  6. Step 6: Final answer
    x = 208,047.81

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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.