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Finding the Fourth Proportional to 589,385.70, 884,078.55 and 146,153.70

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Solution

The fourth proportional to 589,385.70, 884,078.55 and 146,153.70 is: 219,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,385.70 : 884,078.55 = 146,153.70 : x
  2. Step 2: Convert to fraction form
    589,385.70/884,078.55 = 146,153.70/x
  3. Step 3: Cross multiply
    589,385.70x = 884,078.55 × 146,153.70
  4. Step 4: Simplify right side
    589,385.70x = 129,211,351,173.14
  5. Step 5: Solve for x
    x = 129,211,351,173.14/589,385.70
  6. Step 6: Final answer
    x = 219,230.55

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Double scale
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Similar ratio
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1.5x scale

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.