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Finding the Fourth Proportional to 570,098.40, 855,196.56 and 149,374.32

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Solution

The fourth proportional to 570,098.40, 855,196.56 and 149,374.32 is: 224,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,098.40 : 855,196.56 = 149,374.32 : x
  2. Step 2: Convert to fraction form
    570,098.40/855,196.56 = 149,374.32/x
  3. Step 3: Cross multiply
    570,098.40x = 855,196.56 × 149,374.32
  4. Step 4: Simplify right side
    570,098.40x = 127,744,404,616.34
  5. Step 5: Solve for x
    x = 127,744,404,616.34/570,098.40
  6. Step 6: Final answer
    x = 224,074.31

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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.