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Finding the Fourth Proportional to 332,686.60, 499,343.10 and 175,028.20

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Solution

The fourth proportional to 332,686.60, 499,343.10 and 175,028.20 is: 262,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,686.60 : 499,343.10 = 175,028.20 : x
  2. Step 2: Convert to fraction form
    332,686.60/499,343.10 = 175,028.20/x
  3. Step 3: Cross multiply
    332,686.60x = 499,343.10 × 175,028.20
  4. Step 4: Simplify right side
    332,686.60x = 87,399,123,975.42
  5. Step 5: Solve for x
    x = 87,399,123,975.42/332,686.60
  6. Step 6: Final answer
    x = 262,707.08

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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.