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Finding the Fourth Proportional to 616,937.65, 925,062.62 and 190,352.36

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Solution

The fourth proportional to 616,937.65, 925,062.62 and 190,352.36 is: 285,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,937.65 : 925,062.62 = 190,352.36 : x
  2. Step 2: Convert to fraction form
    616,937.65/925,062.62 = 190,352.36/x
  3. Step 3: Cross multiply
    616,937.65x = 925,062.62 × 190,352.36
  4. Step 4: Simplify right side
    616,937.65x = 176,087,854,225.68
  5. Step 5: Solve for x
    x = 176,087,854,225.68/616,937.65
  6. Step 6: Final answer
    x = 285,422.45

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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.