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Finding the Fourth Proportional to 477,891.37, 659,490.06 and 260,101.61

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Solution

The fourth proportional to 477,891.37, 659,490.06 and 260,101.61 is: 358,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,891.37 : 659,490.06 = 260,101.61 : x
  2. Step 2: Convert to fraction form
    477,891.37/659,490.06 = 260,101.61/x
  3. Step 3: Cross multiply
    477,891.37x = 659,490.06 × 260,101.61
  4. Step 4: Simplify right side
    477,891.37x = 171,534,423,316.06
  5. Step 5: Solve for x
    x = 171,534,423,316.06/477,891.37
  6. Step 6: Final answer
    x = 358,940.20

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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.