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Finding the Fourth Proportional to 475,603.18, 656,332.34 and 260,744.74

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Solution

The fourth proportional to 475,603.18, 656,332.34 and 260,744.74 is: 359,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,603.18 : 656,332.34 = 260,744.74 : x
  2. Step 2: Convert to fraction form
    475,603.18/656,332.34 = 260,744.74/x
  3. Step 3: Cross multiply
    475,603.18x = 656,332.34 × 260,744.74
  4. Step 4: Simplify right side
    475,603.18x = 171,135,202,402.34
  5. Step 5: Solve for x
    x = 171,135,202,402.34/475,603.18
  6. Step 6: Final answer
    x = 359,827.71

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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.