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Finding the Fourth Proportional to 616,205.70, 924,308.55 and 216,843.30

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Solution

The fourth proportional to 616,205.70, 924,308.55 and 216,843.30 is: 325,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,205.70 : 924,308.55 = 216,843.30 : x
  2. Step 2: Convert to fraction form
    616,205.70/924,308.55 = 216,843.30/x
  3. Step 3: Cross multiply
    616,205.70x = 924,308.55 × 216,843.30
  4. Step 4: Simplify right side
    616,205.70x = 200,430,116,200.22
  5. Step 5: Solve for x
    x = 200,430,116,200.22/616,205.70
  6. Step 6: Final answer
    x = 325,264.95

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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.