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Finding the Fourth Proportional to 433,715.48, 650,411.42 and 149,325.70

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Solution

The fourth proportional to 433,715.48, 650,411.42 and 149,325.70 is: 223,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,715.48 : 650,411.42 = 149,325.70 : x
  2. Step 2: Convert to fraction form
    433,715.48/650,411.42 = 149,325.70/x
  3. Step 3: Cross multiply
    433,715.48x = 650,411.42 × 149,325.70
  4. Step 4: Simplify right side
    433,715.48x = 97,123,140,579.49
  5. Step 5: Solve for x
    x = 97,123,140,579.49/433,715.48
  6. Step 6: Final answer
    x = 223,932.84

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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.