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Finding the Fourth Proportional to 544,699.20, 816,246.90 and 395,254.20

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Solution

The fourth proportional to 544,699.20, 816,246.90 and 395,254.20 is: 592,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,699.20 : 816,246.90 = 395,254.20 : x
  2. Step 2: Convert to fraction form
    544,699.20/816,246.90 = 395,254.20/x
  3. Step 3: Cross multiply
    544,699.20x = 816,246.90 × 395,254.20
  4. Step 4: Simplify right side
    544,699.20x = 322,625,015,461.98
  5. Step 5: Solve for x
    x = 322,625,015,461.98/544,699.20
  6. Step 6: Final answer
    x = 592,299.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.