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Finding the Fourth Proportional to 397,800.04, 549,167.43 and 306,952.06

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Solution

The fourth proportional to 397,800.04, 549,167.43 and 306,952.06 is: 423,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,800.04 : 549,167.43 = 306,952.06 : x
  2. Step 2: Convert to fraction form
    397,800.04/549,167.43 = 306,952.06/x
  3. Step 3: Cross multiply
    397,800.04x = 549,167.43 × 306,952.06
  4. Step 4: Simplify right side
    397,800.04x = 168,568,073,923.41
  5. Step 5: Solve for x
    x = 168,568,073,923.41/397,800.04
  6. Step 6: Final answer
    x = 423,750.77

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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.