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Finding the Fourth Proportional to 401,487.30, 602,230.95 and 164,999.70

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Solution

The fourth proportional to 401,487.30, 602,230.95 and 164,999.70 is: 247,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,487.30 : 602,230.95 = 164,999.70 : x
  2. Step 2: Convert to fraction form
    401,487.30/602,230.95 = 164,999.70/x
  3. Step 3: Cross multiply
    401,487.30x = 602,230.95 × 164,999.70
  4. Step 4: Simplify right side
    401,487.30x = 99,367,926,080.72
  5. Step 5: Solve for x
    x = 99,367,926,080.72/401,487.30
  6. Step 6: Final answer
    x = 247,499.55

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Similar ratio
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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.