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Finding the Fourth Proportional to 585,095.40, 877,691.70 and 185,724.90

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Solution

The fourth proportional to 585,095.40, 877,691.70 and 185,724.90 is: 278,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,095.40 : 877,691.70 = 185,724.90 : x
  2. Step 2: Convert to fraction form
    585,095.40/877,691.70 = 185,724.90/x
  3. Step 3: Cross multiply
    585,095.40x = 877,691.70 × 185,724.90
  4. Step 4: Simplify right side
    585,095.40x = 163,009,203,213.33
  5. Step 5: Solve for x
    x = 163,009,203,213.33/585,095.40
  6. Step 6: Final answer
    x = 278,602.78

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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.