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Finding the Fourth Proportional to 539,935.40, 810,000.30 and 224,424.20

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Solution

The fourth proportional to 539,935.40, 810,000.30 and 224,424.20 is: 336,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,935.40 : 810,000.30 = 224,424.20 : x
  2. Step 2: Convert to fraction form
    539,935.40/810,000.30 = 224,424.20/x
  3. Step 3: Cross multiply
    539,935.40x = 810,000.30 × 224,424.20
  4. Step 4: Simplify right side
    539,935.40x = 181,783,669,327.26
  5. Step 5: Solve for x
    x = 181,783,669,327.26/539,935.40
  6. Step 6: Final answer
    x = 336,676.70

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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.