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Finding the Fourth Proportional to 570,181.68, 855,206.76 and 149,490.96

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Solution

The fourth proportional to 570,181.68, 855,206.76 and 149,490.96 is: 224,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,181.68 : 855,206.76 = 149,490.96 : x
  2. Step 2: Convert to fraction form
    570,181.68/855,206.76 = 149,490.96/x
  3. Step 3: Cross multiply
    570,181.68x = 855,206.76 × 149,490.96
  4. Step 4: Simplify right side
    570,181.68x = 127,845,679,550.89
  5. Step 5: Solve for x
    x = 127,845,679,550.89/570,181.68
  6. Step 6: Final answer
    x = 224,219.20

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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.