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Finding the Fourth Proportional to 532,242.78, 798,375.51 and 190,708.52

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Solution

The fourth proportional to 532,242.78, 798,375.51 and 190,708.52 is: 286,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,242.78 : 798,375.51 = 190,708.52 : x
  2. Step 2: Convert to fraction form
    532,242.78/798,375.51 = 190,708.52/x
  3. Step 3: Cross multiply
    532,242.78x = 798,375.51 × 190,708.52
  4. Step 4: Simplify right side
    532,242.78x = 152,257,010,962.80
  5. Step 5: Solve for x
    x = 152,257,010,962.80/532,242.78
  6. Step 6: Final answer
    x = 286,066.84

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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.