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Finding the Fourth Proportional to 303,130.65, 418,314.78 and 167,177.17

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Solution

The fourth proportional to 303,130.65, 418,314.78 and 167,177.17 is: 230,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,130.65 : 418,314.78 = 167,177.17 : x
  2. Step 2: Convert to fraction form
    303,130.65/418,314.78 = 167,177.17/x
  3. Step 3: Cross multiply
    303,130.65x = 418,314.78 × 167,177.17
  4. Step 4: Simplify right side
    303,130.65x = 69,932,679,259.45
  5. Step 5: Solve for x
    x = 69,932,679,259.45/303,130.65
  6. Step 6: Final answer
    x = 230,701.44

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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.