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Finding the Fourth Proportional to 1,766,095.60, 2,646,421.80 and 1,314,698.80

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Solution

The fourth proportional to 1,766,095.60, 2,646,421.80 and 1,314,698.80 is: 1,970,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,095.60 : 2,646,421.80 = 1,314,698.80 : x
  2. Step 2: Convert to fraction form
    1,766,095.60/2,646,421.80 = 1,314,698.80/x
  3. Step 3: Cross multiply
    1,766,095.60x = 2,646,421.80 × 1,314,698.80
  4. Step 4: Simplify right side
    1,766,095.60x = 3,479,247,564,753.84
  5. Step 5: Solve for x
    x = 3,479,247,564,753.84/1,766,095.60
  6. Step 6: Final answer
    x = 1,970,022.21

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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.