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Finding the Fourth Proportional to 560,650.32, 774,097.92 and 346,081.68

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Solution

The fourth proportional to 560,650.32, 774,097.92 and 346,081.68 is: 477,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,650.32 : 774,097.92 = 346,081.68 : x
  2. Step 2: Convert to fraction form
    560,650.32/774,097.92 = 346,081.68/x
  3. Step 3: Cross multiply
    560,650.32x = 774,097.92 × 346,081.68
  4. Step 4: Simplify right side
    560,650.32x = 267,901,108,638.11
  5. Step 5: Solve for x
    x = 267,901,108,638.11/560,650.32
  6. Step 6: Final answer
    x = 477,839.93

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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.