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Finding the Fourth Proportional to 303,590.88, 418,953.06 and 167,624.82

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Solution

The fourth proportional to 303,590.88, 418,953.06 and 167,624.82 is: 231,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,590.88 : 418,953.06 = 167,624.82 : x
  2. Step 2: Convert to fraction form
    303,590.88/418,953.06 = 167,624.82/x
  3. Step 3: Cross multiply
    303,590.88x = 418,953.06 × 167,624.82
  4. Step 4: Simplify right side
    303,590.88x = 70,226,931,270.95
  5. Step 5: Solve for x
    x = 70,226,931,270.95/303,590.88
  6. Step 6: Final answer
    x = 231,320.95

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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.