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Finding the Fourth Proportional to 577,230.70, 865,846.05 and 203,205.10

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Solution

The fourth proportional to 577,230.70, 865,846.05 and 203,205.10 is: 304,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,230.70 : 865,846.05 = 203,205.10 : x
  2. Step 2: Convert to fraction form
    577,230.70/865,846.05 = 203,205.10/x
  3. Step 3: Cross multiply
    577,230.70x = 865,846.05 × 203,205.10
  4. Step 4: Simplify right side
    577,230.70x = 175,944,333,174.86
  5. Step 5: Solve for x
    x = 175,944,333,174.86/577,230.70
  6. Step 6: Final answer
    x = 304,807.65

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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.