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Finding the Fourth Proportional to 295,155.28, 407,314.34 and 167,838.67

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Solution

The fourth proportional to 295,155.28, 407,314.34 and 167,838.67 is: 231,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,155.28 : 407,314.34 = 167,838.67 : x
  2. Step 2: Convert to fraction form
    295,155.28/407,314.34 = 167,838.67/x
  3. Step 3: Cross multiply
    295,155.28x = 407,314.34 × 167,838.67
  4. Step 4: Simplify right side
    295,155.28x = 68,363,097,097.53
  5. Step 5: Solve for x
    x = 68,363,097,097.53/295,155.28
  6. Step 6: Final answer
    x = 231,617.40

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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.