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Finding the Fourth Proportional to 417,763.47, 576,352.15 and 236,433.84

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Solution

The fourth proportional to 417,763.47, 576,352.15 and 236,433.84 is: 326,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,763.47 : 576,352.15 = 236,433.84 : x
  2. Step 2: Convert to fraction form
    417,763.47/576,352.15 = 236,433.84/x
  3. Step 3: Cross multiply
    417,763.47x = 576,352.15 × 236,433.84
  4. Step 4: Simplify right side
    417,763.47x = 136,269,152,016.76
  5. Step 5: Solve for x
    x = 136,269,152,016.76/417,763.47
  6. Step 6: Final answer
    x = 326,187.33

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1.5x scale

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.