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Finding the Fourth Proportional to 238,472.28, 357,486.06 and 80,590.32

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Solution

The fourth proportional to 238,472.28, 357,486.06 and 80,590.32 is: 120,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,472.28 : 357,486.06 = 80,590.32 : x
  2. Step 2: Convert to fraction form
    238,472.28/357,486.06 = 80,590.32/x
  3. Step 3: Cross multiply
    238,472.28x = 357,486.06 × 80,590.32
  4. Step 4: Simplify right side
    238,472.28x = 28,809,915,970.94
  5. Step 5: Solve for x
    x = 28,809,915,970.94/238,472.28
  6. Step 6: Final answer
    x = 120,810.33

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1.5x scale

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.