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Finding the Fourth Proportional to 552,061.75, 828,046.45 and 152,707.45

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Solution

The fourth proportional to 552,061.75, 828,046.45 and 152,707.45 is: 229,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,061.75 : 828,046.45 = 152,707.45 : x
  2. Step 2: Convert to fraction form
    552,061.75/828,046.45 = 152,707.45/x
  3. Step 3: Cross multiply
    552,061.75x = 828,046.45 × 152,707.45
  4. Step 4: Simplify right side
    552,061.75x = 126,448,861,861.05
  5. Step 5: Solve for x
    x = 126,448,861,861.05/552,061.75
  6. Step 6: Final answer
    x = 229,048.40

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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.