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Finding the Fourth Proportional to 334,859.20, 502,353.60 and 98,209.60

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Solution

The fourth proportional to 334,859.20, 502,353.60 and 98,209.60 is: 147,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,859.20 : 502,353.60 = 98,209.60 : x
  2. Step 2: Convert to fraction form
    334,859.20/502,353.60 = 98,209.60/x
  3. Step 3: Cross multiply
    334,859.20x = 502,353.60 × 98,209.60
  4. Step 4: Simplify right side
    334,859.20x = 49,335,946,114.56
  5. Step 5: Solve for x
    x = 49,335,946,114.56/334,859.20
  6. Step 6: Final answer
    x = 147,333.40

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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.