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Finding the Fourth Proportional to 591,415.84, 887,123.78 and 186,649.07

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Solution

The fourth proportional to 591,415.84, 887,123.78 and 186,649.07 is: 279,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,415.84 : 887,123.78 = 186,649.07 : x
  2. Step 2: Convert to fraction form
    591,415.84/887,123.78 = 186,649.07/x
  3. Step 3: Cross multiply
    591,415.84x = 887,123.78 × 186,649.07
  4. Step 4: Simplify right side
    591,415.84x = 165,580,830,867.97
  5. Step 5: Solve for x
    x = 165,580,830,867.97/591,415.84
  6. Step 6: Final answer
    x = 279,973.61

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Similar ratio
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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.