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Finding the Fourth Proportional to 337,511.40, 506,267.10 and 219,316.20

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Solution

The fourth proportional to 337,511.40, 506,267.10 and 219,316.20 is: 328,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,511.40 : 506,267.10 = 219,316.20 : x
  2. Step 2: Convert to fraction form
    337,511.40/506,267.10 = 219,316.20/x
  3. Step 3: Cross multiply
    337,511.40x = 506,267.10 × 219,316.20
  4. Step 4: Simplify right side
    337,511.40x = 111,032,576,557.02
  5. Step 5: Solve for x
    x = 111,032,576,557.02/337,511.40
  6. Step 6: Final answer
    x = 328,974.30

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Similar ratio
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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.