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Finding the Fourth Proportional to 541,577.81, 747,400.73 and 299,860.38

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Solution

The fourth proportional to 541,577.81, 747,400.73 and 299,860.38 is: 413,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,577.81 : 747,400.73 = 299,860.38 : x
  2. Step 2: Convert to fraction form
    541,577.81/747,400.73 = 299,860.38/x
  3. Step 3: Cross multiply
    541,577.81x = 747,400.73 × 299,860.38
  4. Step 4: Simplify right side
    541,577.81x = 224,115,865,410.78
  5. Step 5: Solve for x
    x = 224,115,865,410.78/541,577.81
  6. Step 6: Final answer
    x = 413,820.25

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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.