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Finding the Fourth Proportional to 570,104.73, 855,405.18 and 357,360.21

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Solution

The fourth proportional to 570,104.73, 855,405.18 and 357,360.21 is: 536,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,104.73 : 855,405.18 = 357,360.21 : x
  2. Step 2: Convert to fraction form
    570,104.73/855,405.18 = 357,360.21/x
  3. Step 3: Cross multiply
    570,104.73x = 855,405.18 × 357,360.21
  4. Step 4: Simplify right side
    570,104.73x = 305,687,774,759.89
  5. Step 5: Solve for x
    x = 305,687,774,759.89/570,104.73
  6. Step 6: Final answer
    x = 536,195.82

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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.