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Finding the Fourth Proportional to 496,626.90, 744,940.35 and 260,042.10

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Solution

The fourth proportional to 496,626.90, 744,940.35 and 260,042.10 is: 390,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,626.90 : 744,940.35 = 260,042.10 : x
  2. Step 2: Convert to fraction form
    496,626.90/744,940.35 = 260,042.10/x
  3. Step 3: Cross multiply
    496,626.90x = 744,940.35 × 260,042.10
  4. Step 4: Simplify right side
    496,626.90x = 193,715,852,988.74
  5. Step 5: Solve for x
    x = 193,715,852,988.74/496,626.90
  6. Step 6: Final answer
    x = 390,063.15

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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.