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Finding the Fourth Proportional to 616,544.40, 924,913.80 and 195,862.80

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Solution

The fourth proportional to 616,544.40, 924,913.80 and 195,862.80 is: 293,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,544.40 : 924,913.80 = 195,862.80 : x
  2. Step 2: Convert to fraction form
    616,544.40/924,913.80 = 195,862.80/x
  3. Step 3: Cross multiply
    616,544.40x = 924,913.80 × 195,862.80
  4. Step 4: Simplify right side
    616,544.40x = 181,156,206,626.64
  5. Step 5: Solve for x
    x = 181,156,206,626.64/616,544.40
  6. Step 6: Final answer
    x = 293,825.08

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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.