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Finding the Fourth Proportional to 368,008.98, 507,855.20 and 204,667.76

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Solution

The fourth proportional to 368,008.98, 507,855.20 and 204,667.76 is: 282,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,008.98 : 507,855.20 = 204,667.76 : x
  2. Step 2: Convert to fraction form
    368,008.98/507,855.20 = 204,667.76/x
  3. Step 3: Cross multiply
    368,008.98x = 507,855.20 × 204,667.76
  4. Step 4: Simplify right side
    368,008.98x = 103,941,586,188.35
  5. Step 5: Solve for x
    x = 103,941,586,188.35/368,008.98
  6. Step 6: Final answer
    x = 282,443.07

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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.