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Finding the Fourth Proportional to 303,695.16, 419,150.66 and 176,444.60

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Solution

The fourth proportional to 303,695.16, 419,150.66 and 176,444.60 is: 243,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,695.16 : 419,150.66 = 176,444.60 : x
  2. Step 2: Convert to fraction form
    303,695.16/419,150.66 = 176,444.60/x
  3. Step 3: Cross multiply
    303,695.16x = 419,150.66 × 176,444.60
  4. Step 4: Simplify right side
    303,695.16x = 73,956,870,543.44
  5. Step 5: Solve for x
    x = 73,956,870,543.44/303,695.16
  6. Step 6: Final answer
    x = 243,523.38

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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.