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Finding the Fourth Proportional to 663,004.48, 914,706.17 and 433,692.67

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Solution

The fourth proportional to 663,004.48, 914,706.17 and 433,692.67 is: 598,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,004.48 : 914,706.17 = 433,692.67 : x
  2. Step 2: Convert to fraction form
    663,004.48/914,706.17 = 433,692.67/x
  3. Step 3: Cross multiply
    663,004.48x = 914,706.17 × 433,692.67
  4. Step 4: Simplify right side
    663,004.48x = 396,701,359,930.24
  5. Step 5: Solve for x
    x = 396,701,359,930.24/663,004.48
  6. Step 6: Final answer
    x = 598,338.89

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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.