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Finding the Fourth Proportional to 232,416.59, 348,628.32 and 90,270.09

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Solution

The fourth proportional to 232,416.59, 348,628.32 and 90,270.09 is: 135,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,416.59 : 348,628.32 = 90,270.09 : x
  2. Step 2: Convert to fraction form
    232,416.59/348,628.32 = 90,270.09/x
  3. Step 3: Cross multiply
    232,416.59x = 348,628.32 × 90,270.09
  4. Step 4: Simplify right side
    232,416.59x = 31,470,709,822.95
  5. Step 5: Solve for x
    x = 31,470,709,822.95/232,416.59
  6. Step 6: Final answer
    x = 135,406.47

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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.