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Finding the Fourth Proportional to 594,189.84, 891,102.60 and 215,065.20

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Solution

The fourth proportional to 594,189.84, 891,102.60 and 215,065.20 is: 322,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,189.84 : 891,102.60 = 215,065.20 : x
  2. Step 2: Convert to fraction form
    594,189.84/891,102.60 = 215,065.20/x
  3. Step 3: Cross multiply
    594,189.84x = 891,102.60 × 215,065.20
  4. Step 4: Simplify right side
    594,189.84x = 191,645,158,889.52
  5. Step 5: Solve for x
    x = 191,645,158,889.52/594,189.84
  6. Step 6: Final answer
    x = 322,531.87

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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.