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Finding the Fourth Proportional to 345,888.93, 518,991.03 and 177,527.49

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Solution

The fourth proportional to 345,888.93, 518,991.03 and 177,527.49 is: 266,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,888.93 : 518,991.03 = 177,527.49 : x
  2. Step 2: Convert to fraction form
    345,888.93/518,991.03 = 177,527.49/x
  3. Step 3: Cross multiply
    345,888.93x = 518,991.03 × 177,527.49
  4. Step 4: Simplify right side
    345,888.93x = 92,135,174,888.41
  5. Step 5: Solve for x
    x = 92,135,174,888.41/345,888.93
  6. Step 6: Final answer
    x = 266,372.14

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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.