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Finding the Fourth Proportional to 248,314.10, 372,471.15 and 223,430.90

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Solution

The fourth proportional to 248,314.10, 372,471.15 and 223,430.90 is: 335,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,314.10 : 372,471.15 = 223,430.90 : x
  2. Step 2: Convert to fraction form
    248,314.10/372,471.15 = 223,430.90/x
  3. Step 3: Cross multiply
    248,314.10x = 372,471.15 × 223,430.90
  4. Step 4: Simplify right side
    248,314.10x = 83,221,564,268.54
  5. Step 5: Solve for x
    x = 83,221,564,268.54/248,314.10
  6. Step 6: Final answer
    x = 335,146.35

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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.