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Finding the Fourth Proportional to 4,993,471.60, 7,492,050.60 and 1,627,788.40

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Solution

The fourth proportional to 4,993,471.60, 7,492,050.60 and 1,627,788.40 is: 2,442,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,471.60 : 7,492,050.60 = 1,627,788.40 : x
  2. Step 2: Convert to fraction form
    4,993,471.60/7,492,050.60 = 1,627,788.40/x
  3. Step 3: Cross multiply
    4,993,471.60x = 7,492,050.60 × 1,627,788.40
  4. Step 4: Simplify right side
    4,993,471.60x = 12,195,473,058,893.04
  5. Step 5: Solve for x
    x = 12,195,473,058,893.04/4,993,471.60
  6. Step 6: Final answer
    x = 2,442,283.45

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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.