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Finding the Fourth Proportional to 353,159.10, 529,738.65 and 246,870.90

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Solution

The fourth proportional to 353,159.10, 529,738.65 and 246,870.90 is: 370,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,159.10 : 529,738.65 = 246,870.90 : x
  2. Step 2: Convert to fraction form
    353,159.10/529,738.65 = 246,870.90/x
  3. Step 3: Cross multiply
    353,159.10x = 529,738.65 × 246,870.90
  4. Step 4: Simplify right side
    353,159.10x = 130,777,057,290.29
  5. Step 5: Solve for x
    x = 130,777,057,290.29/353,159.10
  6. Step 6: Final answer
    x = 370,306.35

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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.