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Finding the Fourth Proportional to 543,958.42, 750,421.11 and 362,493.58

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Solution

The fourth proportional to 543,958.42, 750,421.11 and 362,493.58 is: 500,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,958.42 : 750,421.11 = 362,493.58 : x
  2. Step 2: Convert to fraction form
    543,958.42/750,421.11 = 362,493.58/x
  3. Step 3: Cross multiply
    543,958.42x = 750,421.11 × 362,493.58
  4. Step 4: Simplify right side
    543,958.42x = 272,022,834,671.47
  5. Step 5: Solve for x
    x = 272,022,834,671.47/543,958.42
  6. Step 6: Final answer
    x = 500,080.20

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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.