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Finding the Fourth Proportional to 578,356.48, 797,950.08 and 323,667.20

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Solution

The fourth proportional to 578,356.48, 797,950.08 and 323,667.20 is: 446,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,356.48 : 797,950.08 = 323,667.20 : x
  2. Step 2: Convert to fraction form
    578,356.48/797,950.08 = 323,667.20/x
  3. Step 3: Cross multiply
    578,356.48x = 797,950.08 × 323,667.20
  4. Step 4: Simplify right side
    578,356.48x = 258,270,268,133.38
  5. Step 5: Solve for x
    x = 258,270,268,133.38/578,356.48
  6. Step 6: Final answer
    x = 446,558.96

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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.