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Finding the Fourth Proportional to 539,600.21, 744,650.67 and 297,884.77

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Solution

The fourth proportional to 539,600.21, 744,650.67 and 297,884.77 is: 411,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,600.21 : 744,650.67 = 297,884.77 : x
  2. Step 2: Convert to fraction form
    539,600.21/744,650.67 = 297,884.77/x
  3. Step 3: Cross multiply
    539,600.21x = 744,650.67 × 297,884.77
  4. Step 4: Simplify right side
    539,600.21x = 221,820,094,703.57
  5. Step 5: Solve for x
    x = 221,820,094,703.57/539,600.21
  6. Step 6: Final answer
    x = 411,082.30

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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.