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Finding the Fourth Proportional to 574,380.24, 865,870.71 and 535,845.30

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Solution

The fourth proportional to 574,380.24, 865,870.71 and 535,845.30 is: 807,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,380.24 : 865,870.71 = 535,845.30 : x
  2. Step 2: Convert to fraction form
    574,380.24/865,870.71 = 535,845.30/x
  3. Step 3: Cross multiply
    574,380.24x = 865,870.71 × 535,845.30
  4. Step 4: Simplify right side
    574,380.24x = 463,972,750,361.16
  5. Step 5: Solve for x
    x = 463,972,750,361.16/574,380.24
  6. Step 6: Final answer
    x = 807,779.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.