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Finding the Fourth Proportional to 4,571,710.20, 6,391,996.20 and 4,571,710.20

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Solution

The fourth proportional to 4,571,710.20, 6,391,996.20 and 4,571,710.20 is: 6,391,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571,710.20 : 6,391,996.20 = 4,571,710.20 : x
  2. Step 2: Convert to fraction form
    4,571,710.20/6,391,996.20 = 4,571,710.20/x
  3. Step 3: Cross multiply
    4,571,710.20x = 6,391,996.20 × 4,571,710.20
  4. Step 4: Simplify right side
    4,571,710.20x = 29,222,354,225,901.24
  5. Step 5: Solve for x
    x = 29,222,354,225,901.24/4,571,710.20
  6. Step 6: Final answer
    x = 6,391,996.20

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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.