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Finding the Fourth Proportional to 891,925.20, 1,333,999.80 and 797,835.60

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Solution

The fourth proportional to 891,925.20, 1,333,999.80 and 797,835.60 is: 1,193,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,925.20 : 1,333,999.80 = 797,835.60 : x
  2. Step 2: Convert to fraction form
    891,925.20/1,333,999.80 = 797,835.60/x
  3. Step 3: Cross multiply
    891,925.20x = 1,333,999.80 × 797,835.60
  4. Step 4: Simplify right side
    891,925.20x = 1,064,312,530,832.88
  5. Step 5: Solve for x
    x = 1,064,312,530,832.88/891,925.20
  6. Step 6: Final answer
    x = 1,193,275.55

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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.