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Finding the Fourth Proportional to 360,353.55, 497,272.34 and 197,007.03

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Solution

The fourth proportional to 360,353.55, 497,272.34 and 197,007.03 is: 271,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,353.55 : 497,272.34 = 197,007.03 : x
  2. Step 2: Convert to fraction form
    360,353.55/497,272.34 = 197,007.03/x
  3. Step 3: Cross multiply
    360,353.55x = 497,272.34 × 197,007.03
  4. Step 4: Simplify right side
    360,353.55x = 97,966,145,819.52
  5. Step 5: Solve for x
    x = 97,966,145,819.52/360,353.55
  6. Step 6: Final answer
    x = 271,861.19

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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.