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Finding the Fourth Proportional to 475,876.18, 656,727.51 and 261,025.30

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Solution

The fourth proportional to 475,876.18, 656,727.51 and 261,025.30 is: 360,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,876.18 : 656,727.51 = 261,025.30 : x
  2. Step 2: Convert to fraction form
    475,876.18/656,727.51 = 261,025.30/x
  3. Step 3: Cross multiply
    475,876.18x = 656,727.51 × 261,025.30
  4. Step 4: Simplify right side
    475,876.18x = 171,422,495,316.00
  5. Step 5: Solve for x
    x = 171,422,495,316.00/475,876.18
  6. Step 6: Final answer
    x = 360,225.00

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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.