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Finding the Fourth Proportional to 608,075, 912,260.13 and 187,350.86

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Solution

The fourth proportional to 608,075, 912,260.13 and 187,350.86 is: 281,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,075 : 912,260.13 = 187,350.86 : x
  2. Step 2: Convert to fraction form
    608,075/912,260.13 = 187,350.86/x
  3. Step 3: Cross multiply
    608,075x = 912,260.13 × 187,350.86
  4. Step 4: Simplify right side
    608,075x = 170,912,719,899.21
  5. Step 5: Solve for x
    x = 170,912,719,899.21/608,075
  6. Step 6: Final answer
    x = 281,071.78

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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.