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Finding the Fourth Proportional to 1,752,669.90, 2,457,280.80 and 1,752,669.90

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Solution

The fourth proportional to 1,752,669.90, 2,457,280.80 and 1,752,669.90 is: 2,457,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,669.90 : 2,457,280.80 = 1,752,669.90 : x
  2. Step 2: Convert to fraction form
    1,752,669.90/2,457,280.80 = 1,752,669.90/x
  3. Step 3: Cross multiply
    1,752,669.90x = 2,457,280.80 × 1,752,669.90
  4. Step 4: Simplify right side
    1,752,669.90x = 4,306,802,094,007.92
  5. Step 5: Solve for x
    x = 4,306,802,094,007.92/1,752,669.90
  6. Step 6: Final answer
    x = 2,457,280.80

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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.