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Finding the Fourth Proportional to 290,482.26, 435,767.76 and 148,250.04

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Solution

The fourth proportional to 290,482.26, 435,767.76 and 148,250.04 is: 222,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,482.26 : 435,767.76 = 148,250.04 : x
  2. Step 2: Convert to fraction form
    290,482.26/435,767.76 = 148,250.04/x
  3. Step 3: Cross multiply
    290,482.26x = 435,767.76 × 148,250.04
  4. Step 4: Simplify right side
    290,482.26x = 64,602,587,850.71
  5. Step 5: Solve for x
    x = 64,602,587,850.71/290,482.26
  6. Step 6: Final answer
    x = 222,397.70

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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.