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Finding the Fourth Proportional to 570,109.52, 855,412.32 and 357,364.96

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Solution

The fourth proportional to 570,109.52, 855,412.32 and 357,364.96 is: 536,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,109.52 : 855,412.32 = 357,364.96 : x
  2. Step 2: Convert to fraction form
    570,109.52/855,412.32 = 357,364.96/x
  3. Step 3: Cross multiply
    570,109.52x = 855,412.32 × 357,364.96
  4. Step 4: Simplify right side
    570,109.52x = 305,694,389,520.31
  5. Step 5: Solve for x
    x = 305,694,389,520.31/570,109.52
  6. Step 6: Final answer
    x = 536,202.92

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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.