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Finding the Fourth Proportional to 475,030.49, 655,517.07 and 260,165.97

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Solution

The fourth proportional to 475,030.49, 655,517.07 and 260,165.97 is: 359,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,030.49 : 655,517.07 = 260,165.97 : x
  2. Step 2: Convert to fraction form
    475,030.49/655,517.07 = 260,165.97/x
  3. Step 3: Cross multiply
    475,030.49x = 655,517.07 × 260,165.97
  4. Step 4: Simplify right side
    475,030.49x = 170,543,234,368.11
  5. Step 5: Solve for x
    x = 170,543,234,368.11/475,030.49
  6. Step 6: Final answer
    x = 359,015.35

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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.