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Finding the Fourth Proportional to 238,281.48, 328,550.64 and 177,747.03

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Solution

The fourth proportional to 238,281.48, 328,550.64 and 177,747.03 is: 245,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,281.48 : 328,550.64 = 177,747.03 : x
  2. Step 2: Convert to fraction form
    238,281.48/328,550.64 = 177,747.03/x
  3. Step 3: Cross multiply
    238,281.48x = 328,550.64 × 177,747.03
  4. Step 4: Simplify right side
    238,281.48x = 58,398,900,464.60
  5. Step 5: Solve for x
    x = 58,398,900,464.60/238,281.48
  6. Step 6: Final answer
    x = 245,083.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.