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Finding the Fourth Proportional to 360,922.67, 498,204.51 and 210,019.67

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Solution

The fourth proportional to 360,922.67, 498,204.51 and 210,019.67 is: 289,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,922.67 : 498,204.51 = 210,019.67 : x
  2. Step 2: Convert to fraction form
    360,922.67/498,204.51 = 210,019.67/x
  3. Step 3: Cross multiply
    360,922.67x = 498,204.51 × 210,019.67
  4. Step 4: Simplify right side
    360,922.67x = 104,632,746,782.71
  5. Step 5: Solve for x
    x = 104,632,746,782.71/360,922.67
  6. Step 6: Final answer
    x = 289,903.50

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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.