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Finding the Fourth Proportional to 410,111.60, 614,948.70 and 173,186.60

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Solution

The fourth proportional to 410,111.60, 614,948.70 and 173,186.60 is: 259,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111.60 : 614,948.70 = 173,186.60 : x
  2. Step 2: Convert to fraction form
    410,111.60/614,948.70 = 173,186.60/x
  3. Step 3: Cross multiply
    410,111.60x = 614,948.70 × 173,186.60
  4. Step 4: Simplify right side
    410,111.60x = 106,500,874,527.42
  5. Step 5: Solve for x
    x = 106,500,874,527.42/410,111.60
  6. Step 6: Final answer
    x = 259,687.54

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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.