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Finding the Fourth Proportional to 616,554, 924,919.08 and 190,125.84

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Solution

The fourth proportional to 616,554, 924,919.08 and 190,125.84 is: 285,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,554 : 924,919.08 = 190,125.84 : x
  2. Step 2: Convert to fraction form
    616,554/924,919.08 = 190,125.84/x
  3. Step 3: Cross multiply
    616,554x = 924,919.08 × 190,125.84
  4. Step 4: Simplify right side
    616,554x = 175,851,017,017.03
  5. Step 5: Solve for x
    x = 175,851,017,017.03/616,554
  6. Step 6: Final answer
    x = 285,215.92

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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.