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Finding the Fourth Proportional to 475,622.49, 656,358.15 and 260,776.47

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Solution

The fourth proportional to 475,622.49, 656,358.15 and 260,776.47 is: 359,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,622.49 : 656,358.15 = 260,776.47 : x
  2. Step 2: Convert to fraction form
    475,622.49/656,358.15 = 260,776.47/x
  3. Step 3: Cross multiply
    475,622.49x = 656,358.15 × 260,776.47
  4. Step 4: Simplify right side
    475,622.49x = 171,162,764,851.99
  5. Step 5: Solve for x
    x = 171,162,764,851.99/475,622.49
  6. Step 6: Final answer
    x = 359,871.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.