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Finding the Fourth Proportional to 541,487.09, 747,228.65 and 299,755.25

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Solution

The fourth proportional to 541,487.09, 747,228.65 and 299,755.25 is: 413,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,487.09 : 747,228.65 = 299,755.25 : x
  2. Step 2: Convert to fraction form
    541,487.09/747,228.65 = 299,755.25/x
  3. Step 3: Cross multiply
    541,487.09x = 747,228.65 × 299,755.25
  4. Step 4: Simplify right side
    541,487.09x = 223,985,708,355.10
  5. Step 5: Solve for x
    x = 223,985,708,355.10/541,487.09
  6. Step 6: Final answer
    x = 413,649.21

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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.