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Finding the Fourth Proportional to 570,376.35, 855,240.57 and 233,022.03

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Solution

The fourth proportional to 570,376.35, 855,240.57 and 233,022.03 is: 349,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,376.35 : 855,240.57 = 233,022.03 : x
  2. Step 2: Convert to fraction form
    570,376.35/855,240.57 = 233,022.03/x
  3. Step 3: Cross multiply
    570,376.35x = 855,240.57 × 233,022.03
  4. Step 4: Simplify right side
    570,376.35x = 199,289,893,759.76
  5. Step 5: Solve for x
    x = 199,289,893,759.76/570,376.35
  6. Step 6: Final answer
    x = 349,400.70

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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.