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Finding the Fourth Proportional to 616,734.61, 925,068.80 and 195,977.68

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Solution

The fourth proportional to 616,734.61, 925,068.80 and 195,977.68 is: 293,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,734.61 : 925,068.80 = 195,977.68 : x
  2. Step 2: Convert to fraction form
    616,734.61/925,068.80 = 195,977.68/x
  3. Step 3: Cross multiply
    616,734.61x = 925,068.80 × 195,977.68
  4. Step 4: Simplify right side
    616,734.61x = 181,292,835,441.66
  5. Step 5: Solve for x
    x = 181,292,835,441.66/616,734.61
  6. Step 6: Final answer
    x = 293,956.00

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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.