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Finding the Fourth Proportional to 284,398.42, 426,685.65 and 170,673.22

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Solution

The fourth proportional to 284,398.42, 426,685.65 and 170,673.22 is: 256,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,398.42 : 426,685.65 = 170,673.22 : x
  2. Step 2: Convert to fraction form
    284,398.42/426,685.65 = 170,673.22/x
  3. Step 3: Cross multiply
    284,398.42x = 426,685.65 × 170,673.22
  4. Step 4: Simplify right side
    284,398.42x = 72,823,813,813.29
  5. Step 5: Solve for x
    x = 72,823,813,813.29/284,398.42
  6. Step 6: Final answer
    x = 256,062.65

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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.