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Finding the Fourth Proportional to 942,687.60, 1,411,698.60 and 756,063.60

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Solution

The fourth proportional to 942,687.60, 1,411,698.60 and 756,063.60 is: 1,132,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,687.60 : 1,411,698.60 = 756,063.60 : x
  2. Step 2: Convert to fraction form
    942,687.60/1,411,698.60 = 756,063.60/x
  3. Step 3: Cross multiply
    942,687.60x = 1,411,698.60 × 756,063.60
  4. Step 4: Simplify right side
    942,687.60x = 1,067,333,925,630.96
  5. Step 5: Solve for x
    x = 1,067,333,925,630.96/942,687.60
  6. Step 6: Final answer
    x = 1,132,224.42

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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.