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Finding the Fourth Proportional to 616,548.90, 924,802.50 and 217,179.23

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Solution

The fourth proportional to 616,548.90, 924,802.50 and 217,179.23 is: 325,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,548.90 : 924,802.50 = 217,179.23 : x
  2. Step 2: Convert to fraction form
    616,548.90/924,802.50 = 217,179.23/x
  3. Step 3: Cross multiply
    616,548.90x = 924,802.50 × 217,179.23
  4. Step 4: Simplify right side
    616,548.90x = 200,847,897,571.29
  5. Step 5: Solve for x
    x = 200,847,897,571.29/616,548.90
  6. Step 6: Final answer
    x = 325,761.51

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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.