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Finding the Fourth Proportional to 218,906.32, 328,332.30 and 58,994.77

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Solution

The fourth proportional to 218,906.32, 328,332.30 and 58,994.77 is: 88,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,906.32 : 328,332.30 = 58,994.77 : x
  2. Step 2: Convert to fraction form
    218,906.32/328,332.30 = 58,994.77/x
  3. Step 3: Cross multiply
    218,906.32x = 328,332.30 × 58,994.77
  4. Step 4: Simplify right side
    218,906.32x = 19,369,887,101.64
  5. Step 5: Solve for x
    x = 19,369,887,101.64/218,906.32
  6. Step 6: Final answer
    x = 88,484.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.