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Finding the Fourth Proportional to 353,740.80, 529,444.80 and 248,764.80

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Solution

The fourth proportional to 353,740.80, 529,444.80 and 248,764.80 is: 372,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,740.80 : 529,444.80 = 248,764.80 : x
  2. Step 2: Convert to fraction form
    353,740.80/529,444.80 = 248,764.80/x
  3. Step 3: Cross multiply
    353,740.80x = 529,444.80 × 248,764.80
  4. Step 4: Simplify right side
    353,740.80x = 131,707,229,783.04
  5. Step 5: Solve for x
    x = 131,707,229,783.04/353,740.80
  6. Step 6: Final answer
    x = 372,326.94

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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.