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Finding the Fourth Proportional to 586,690.89, 880,028.90 and 187,326.60

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Solution

The fourth proportional to 586,690.89, 880,028.90 and 187,326.60 is: 280,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,690.89 : 880,028.90 = 187,326.60 : x
  2. Step 2: Convert to fraction form
    586,690.89/880,028.90 = 187,326.60/x
  3. Step 3: Cross multiply
    586,690.89x = 880,028.90 × 187,326.60
  4. Step 4: Simplify right side
    586,690.89x = 164,852,821,738.74
  5. Step 5: Solve for x
    x = 164,852,821,738.74/586,690.89
  6. Step 6: Final answer
    x = 280,987.53

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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.