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Finding the Fourth Proportional to 475,806.95, 656,622.01 and 260,945.13

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Solution

The fourth proportional to 475,806.95, 656,622.01 and 260,945.13 is: 360,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,806.95 : 656,622.01 = 260,945.13 : x
  2. Step 2: Convert to fraction form
    475,806.95/656,622.01 = 260,945.13/x
  3. Step 3: Cross multiply
    475,806.95x = 656,622.01 × 260,945.13
  4. Step 4: Simplify right side
    475,806.95x = 171,342,315,760.31
  5. Step 5: Solve for x
    x = 171,342,315,760.31/475,806.95
  6. Step 6: Final answer
    x = 360,108.90

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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.