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Finding the Fourth Proportional to 608,114.01, 912,269.01 and 187,389.69

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Solution

The fourth proportional to 608,114.01, 912,269.01 and 187,389.69 is: 281,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,114.01 : 912,269.01 = 187,389.69 : x
  2. Step 2: Convert to fraction form
    608,114.01/912,269.01 = 187,389.69/x
  3. Step 3: Cross multiply
    608,114.01x = 912,269.01 × 187,389.69
  4. Step 4: Simplify right side
    608,114.01x = 170,949,806,980.51
  5. Step 5: Solve for x
    x = 170,949,806,980.51/608,114.01
  6. Step 6: Final answer
    x = 281,114.73

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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.