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Finding the Fourth Proportional to 507,300.38, 760,983.38 and 170,327.42

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Solution

The fourth proportional to 507,300.38, 760,983.38 and 170,327.42 is: 255,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,300.38 : 760,983.38 = 170,327.42 : x
  2. Step 2: Convert to fraction form
    507,300.38/760,983.38 = 170,327.42/x
  3. Step 3: Cross multiply
    507,300.38x = 760,983.38 × 170,327.42
  4. Step 4: Simplify right side
    507,300.38x = 129,616,335,778.28
  5. Step 5: Solve for x
    x = 129,616,335,778.28/507,300.38
  6. Step 6: Final answer
    x = 255,502.15

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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.