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Finding the Fourth Proportional to 350,717.16, 484,150.74 and 205,502.76

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Solution

The fourth proportional to 350,717.16, 484,150.74 and 205,502.76 is: 283,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,717.16 : 484,150.74 = 205,502.76 : x
  2. Step 2: Convert to fraction form
    350,717.16/484,150.74 = 205,502.76/x
  3. Step 3: Cross multiply
    350,717.16x = 484,150.74 × 205,502.76
  4. Step 4: Simplify right side
    350,717.16x = 99,494,313,326.04
  5. Step 5: Solve for x
    x = 99,494,313,326.04/350,717.16
  6. Step 6: Final answer
    x = 283,688.18

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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.