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Finding the Fourth Proportional to 616,209.70, 924,314.55 and 216,847.30

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Solution

The fourth proportional to 616,209.70, 924,314.55 and 216,847.30 is: 325,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,209.70 : 924,314.55 = 216,847.30 : x
  2. Step 2: Convert to fraction form
    616,209.70/924,314.55 = 216,847.30/x
  3. Step 3: Cross multiply
    616,209.70x = 924,314.55 × 216,847.30
  4. Step 4: Simplify right side
    616,209.70x = 200,435,114,518.22
  5. Step 5: Solve for x
    x = 200,435,114,518.22/616,209.70
  6. Step 6: Final answer
    x = 325,270.95

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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.