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Finding the Fourth Proportional to 475,604.79, 656,334.43 and 260,740.24

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Solution

The fourth proportional to 475,604.79, 656,334.43 and 260,740.24 is: 359,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,604.79 : 656,334.43 = 260,740.24 : x
  2. Step 2: Convert to fraction form
    475,604.79/656,334.43 = 260,740.24/x
  3. Step 3: Cross multiply
    475,604.79x = 656,334.43 × 260,740.24
  4. Step 4: Simplify right side
    475,604.79x = 171,132,796,798.46
  5. Step 5: Solve for x
    x = 171,132,796,798.46/475,604.79
  6. Step 6: Final answer
    x = 359,821.43

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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.