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Finding the Fourth Proportional to 3,865,701.60, 5,798,552.40 and 3,235,327.20

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Solution

The fourth proportional to 3,865,701.60, 5,798,552.40 and 3,235,327.20 is: 4,852,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,701.60 : 5,798,552.40 = 3,235,327.20 : x
  2. Step 2: Convert to fraction form
    3,865,701.60/5,798,552.40 = 3,235,327.20/x
  3. Step 3: Cross multiply
    3,865,701.60x = 5,798,552.40 × 3,235,327.20
  4. Step 4: Simplify right side
    3,865,701.60x = 18,760,214,300,345.28
  5. Step 5: Solve for x
    x = 18,760,214,300,345.28/3,865,701.60
  6. Step 6: Final answer
    x = 4,852,990.80

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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.