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Finding the Fourth Proportional to 1,048,676, 1,573,019.76 and 260,708

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Solution

The fourth proportional to 1,048,676, 1,573,019.76 and 260,708 is: 391,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,676 : 1,573,019.76 = 260,708 : x
  2. Step 2: Convert to fraction form
    1,048,676/1,573,019.76 = 260,708/x
  3. Step 3: Cross multiply
    1,048,676x = 1,573,019.76 × 260,708
  4. Step 4: Simplify right side
    1,048,676x = 410,098,835,590.08
  5. Step 5: Solve for x
    x = 410,098,835,590.08/1,048,676
  6. Step 6: Final answer
    x = 391,063.43

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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.