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Finding the Fourth Proportional to 475,616.36, 656,333.16 and 260,751.72

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Solution

The fourth proportional to 475,616.36, 656,333.16 and 260,751.72 is: 359,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,616.36 : 656,333.16 = 260,751.72 : x
  2. Step 2: Convert to fraction form
    475,616.36/656,333.16 = 260,751.72/x
  3. Step 3: Cross multiply
    475,616.36x = 656,333.16 × 260,751.72
  4. Step 4: Simplify right side
    475,616.36x = 171,140,000,363.04
  5. Step 5: Solve for x
    x = 171,140,000,363.04/475,616.36
  6. Step 6: Final answer
    x = 359,827.83

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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.