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Finding the Fourth Proportional to 570,374.10, 855,237.20 and 233,019.80

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Solution

The fourth proportional to 570,374.10, 855,237.20 and 233,019.80 is: 349,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,374.10 : 855,237.20 = 233,019.80 : x
  2. Step 2: Convert to fraction form
    570,374.10/855,237.20 = 233,019.80/x
  3. Step 3: Cross multiply
    570,374.10x = 855,237.20 × 233,019.80
  4. Step 4: Simplify right side
    570,374.10x = 199,287,195,855.28
  5. Step 5: Solve for x
    x = 199,287,195,855.28/570,374.10
  6. Step 6: Final answer
    x = 349,397.34

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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.