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Finding the Fourth Proportional to 2,303,145.60, 3,220,204.80 and 2,303,145.60

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Solution

The fourth proportional to 2,303,145.60, 3,220,204.80 and 2,303,145.60 is: 3,220,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303,145.60 : 3,220,204.80 = 2,303,145.60 : x
  2. Step 2: Convert to fraction form
    2,303,145.60/3,220,204.80 = 2,303,145.60/x
  3. Step 3: Cross multiply
    2,303,145.60x = 3,220,204.80 × 2,303,145.60
  4. Step 4: Simplify right side
    2,303,145.60x = 7,416,600,516,218.88
  5. Step 5: Solve for x
    x = 7,416,600,516,218.88/2,303,145.60
  6. Step 6: Final answer
    x = 3,220,204.80

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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.