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Finding the Fourth Proportional to 541,645.13, 747,461.15 and 299,922.51

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Solution

The fourth proportional to 541,645.13, 747,461.15 and 299,922.51 is: 413,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,645.13 : 747,461.15 = 299,922.51 : x
  2. Step 2: Convert to fraction form
    541,645.13/747,461.15 = 299,922.51/x
  3. Step 3: Cross multiply
    541,645.13x = 747,461.15 × 299,922.51
  4. Step 4: Simplify right side
    541,645.13x = 224,180,422,735.87
  5. Step 5: Solve for x
    x = 224,180,422,735.87/541,645.13
  6. Step 6: Final answer
    x = 413,888.01

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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.