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Finding the Fourth Proportional to 352,000.40, 527,482.20 and 299,123.60

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Solution

The fourth proportional to 352,000.40, 527,482.20 and 299,123.60 is: 448,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,000.40 : 527,482.20 = 299,123.60 : x
  2. Step 2: Convert to fraction form
    352,000.40/527,482.20 = 299,123.60/x
  3. Step 3: Cross multiply
    352,000.40x = 527,482.20 × 299,123.60
  4. Step 4: Simplify right side
    352,000.40x = 157,782,374,599.92
  5. Step 5: Solve for x
    x = 157,782,374,599.92/352,000.40
  6. Step 6: Final answer
    x = 448,244.87

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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.