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Finding the Fourth Proportional to 539,591.28, 744,616.45 and 297,868.67

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Solution

The fourth proportional to 539,591.28, 744,616.45 and 297,868.67 is: 411,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,591.28 : 744,616.45 = 297,868.67 : x
  2. Step 2: Convert to fraction form
    539,591.28/744,616.45 = 297,868.67/x
  3. Step 3: Cross multiply
    539,591.28x = 744,616.45 × 297,868.67
  4. Step 4: Simplify right side
    539,591.28x = 221,797,908,829.38
  5. Step 5: Solve for x
    x = 221,797,908,829.38/539,591.28
  6. Step 6: Final answer
    x = 411,047.98

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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.