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Finding the Fourth Proportional to 589,034.70, 883,552.05 and 512,052.30

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Solution

The fourth proportional to 589,034.70, 883,552.05 and 512,052.30 is: 768,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,034.70 : 883,552.05 = 512,052.30 : x
  2. Step 2: Convert to fraction form
    589,034.70/883,552.05 = 512,052.30/x
  3. Step 3: Cross multiply
    589,034.70x = 883,552.05 × 512,052.30
  4. Step 4: Simplify right side
    589,034.70x = 452,424,859,372.22
  5. Step 5: Solve for x
    x = 452,424,859,372.22/589,034.70
  6. Step 6: Final answer
    x = 768,078.45

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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.