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Finding the Fourth Proportional to 325,166.49, 487,706.58 and 147,632.67

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Solution

The fourth proportional to 325,166.49, 487,706.58 and 147,632.67 is: 221,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,166.49 : 487,706.58 = 147,632.67 : x
  2. Step 2: Convert to fraction form
    325,166.49/487,706.58 = 147,632.67/x
  3. Step 3: Cross multiply
    325,166.49x = 487,706.58 × 147,632.67
  4. Step 4: Simplify right side
    325,166.49x = 72,001,424,581.97
  5. Step 5: Solve for x
    x = 72,001,424,581.97/325,166.49
  6. Step 6: Final answer
    x = 221,429.41

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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.