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Finding the Fourth Proportional to 616,222.70, 924,334.05 and 216,860.30

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Solution

The fourth proportional to 616,222.70, 924,334.05 and 216,860.30 is: 325,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,222.70 : 924,334.05 = 216,860.30 : x
  2. Step 2: Convert to fraction form
    616,222.70/924,334.05 = 216,860.30/x
  3. Step 3: Cross multiply
    616,222.70x = 924,334.05 × 216,860.30
  4. Step 4: Simplify right side
    616,222.70x = 200,451,359,383.22
  5. Step 5: Solve for x
    x = 200,451,359,383.22/616,222.70
  6. Step 6: Final answer
    x = 325,290.45

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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.