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Finding the Fourth Proportional to 4,798,393.95, 7,197,590.95 and 1,603,520.13

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Solution

The fourth proportional to 4,798,393.95, 7,197,590.95 and 1,603,520.13 is: 2,405,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798,393.95 : 7,197,590.95 = 1,603,520.13 : x
  2. Step 2: Convert to fraction form
    4,798,393.95/7,197,590.95 = 1,603,520.13/x
  3. Step 3: Cross multiply
    4,798,393.95x = 7,197,590.95 × 1,603,520.13
  4. Step 4: Simplify right side
    4,798,393.95x = 11,541,481,958,326.54
  5. Step 5: Solve for x
    x = 11,541,481,958,326.54/4,798,393.95
  6. Step 6: Final answer
    x = 2,405,280.20

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Double scale
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Similar ratio
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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.