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Finding the Fourth Proportional to 541,393.84, 747,130.08 and 299,698.72

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Solution

The fourth proportional to 541,393.84, 747,130.08 and 299,698.72 is: 413,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,393.84 : 747,130.08 = 299,698.72 : x
  2. Step 2: Convert to fraction form
    541,393.84/747,130.08 = 299,698.72/x
  3. Step 3: Cross multiply
    541,393.84x = 747,130.08 × 299,698.72
  4. Step 4: Simplify right side
    541,393.84x = 223,913,928,649.50
  5. Step 5: Solve for x
    x = 223,913,928,649.50/541,393.84
  6. Step 6: Final answer
    x = 413,587.88

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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.