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Finding the Fourth Proportional to 585,210.60, 877,815.90 and 185,891.74

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Solution

The fourth proportional to 585,210.60, 877,815.90 and 185,891.74 is: 278,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,210.60 : 877,815.90 = 185,891.74 : x
  2. Step 2: Convert to fraction form
    585,210.60/877,815.90 = 185,891.74/x
  3. Step 3: Cross multiply
    585,210.60x = 877,815.90 × 185,891.74
  4. Step 4: Simplify right side
    585,210.60x = 163,178,722,856.13
  5. Step 5: Solve for x
    x = 163,178,722,856.13/585,210.60
  6. Step 6: Final answer
    x = 278,837.61

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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.