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Finding the Fourth Proportional to 282,670.14, 390,117.98 and 167,949.74

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Solution

The fourth proportional to 282,670.14, 390,117.98 and 167,949.74 is: 231,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,670.14 : 390,117.98 = 167,949.74 : x
  2. Step 2: Convert to fraction form
    282,670.14/390,117.98 = 167,949.74/x
  3. Step 3: Cross multiply
    282,670.14x = 390,117.98 × 167,949.74
  4. Step 4: Simplify right side
    282,670.14x = 65,520,213,310.33
  5. Step 5: Solve for x
    x = 65,520,213,310.33/282,670.14
  6. Step 6: Final answer
    x = 231,790.36

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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.