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Finding the Fourth Proportional to 1,047,999.60, 1,573,554.60 and 733,849.20

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Solution

The fourth proportional to 1,047,999.60, 1,573,554.60 and 733,849.20 is: 1,101,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,999.60 : 1,573,554.60 = 733,849.20 : x
  2. Step 2: Convert to fraction form
    1,047,999.60/1,573,554.60 = 733,849.20/x
  3. Step 3: Cross multiply
    1,047,999.60x = 1,573,554.60 × 733,849.20
  4. Step 4: Simplify right side
    1,047,999.60x = 1,154,751,784,366.32
  5. Step 5: Solve for x
    x = 1,154,751,784,366.32/1,047,999.60
  6. Step 6: Final answer
    x = 1,101,862.81

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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.