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Finding the Fourth Proportional to 584,563.20, 876,844.80 and 385,108.80

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Solution

The fourth proportional to 584,563.20, 876,844.80 and 385,108.80 is: 577,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,563.20 : 876,844.80 = 385,108.80 : x
  2. Step 2: Convert to fraction form
    584,563.20/876,844.80 = 385,108.80/x
  3. Step 3: Cross multiply
    584,563.20x = 876,844.80 × 385,108.80
  4. Step 4: Simplify right side
    584,563.20x = 337,680,648,714.24
  5. Step 5: Solve for x
    x = 337,680,648,714.24/584,563.20
  6. Step 6: Final answer
    x = 577,663.20

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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.