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Finding the Fourth Proportional to 4,191,885.60, 6,287,828.40 and 4,191,885.60

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Solution

The fourth proportional to 4,191,885.60, 6,287,828.40 and 4,191,885.60 is: 6,287,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,885.60 : 6,287,828.40 = 4,191,885.60 : x
  2. Step 2: Convert to fraction form
    4,191,885.60/6,287,828.40 = 4,191,885.60/x
  3. Step 3: Cross multiply
    4,191,885.60x = 6,287,828.40 × 4,191,885.60
  4. Step 4: Simplify right side
    4,191,885.60x = 26,357,857,325,231.04
  5. Step 5: Solve for x
    x = 26,357,857,325,231.04/4,191,885.60
  6. Step 6: Final answer
    x = 6,287,828.40

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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.