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Finding the Fourth Proportional to 616,208.20, 924,312.30 and 216,845.80

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Solution

The fourth proportional to 616,208.20, 924,312.30 and 216,845.80 is: 325,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,208.20 : 924,312.30 = 216,845.80 : x
  2. Step 2: Convert to fraction form
    616,208.20/924,312.30 = 216,845.80/x
  3. Step 3: Cross multiply
    616,208.20x = 924,312.30 × 216,845.80
  4. Step 4: Simplify right side
    616,208.20x = 200,433,240,143.34
  5. Step 5: Solve for x
    x = 200,433,240,143.34/616,208.20
  6. Step 6: Final answer
    x = 325,268.70

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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.