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Finding the Fourth Proportional to 354,687.60, 532,031.40 and 168,063.60

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Solution

The fourth proportional to 354,687.60, 532,031.40 and 168,063.60 is: 252,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,687.60 : 532,031.40 = 168,063.60 : x
  2. Step 2: Convert to fraction form
    354,687.60/532,031.40 = 168,063.60/x
  3. Step 3: Cross multiply
    354,687.60x = 532,031.40 × 168,063.60
  4. Step 4: Simplify right side
    354,687.60x = 89,415,112,397.04
  5. Step 5: Solve for x
    x = 89,415,112,397.04/354,687.60
  6. Step 6: Final answer
    x = 252,095.40

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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.