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Finding the Fourth Proportional to 608,082.80, 912,041.40 and 158,838.80

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Solution

The fourth proportional to 608,082.80, 912,041.40 and 158,838.80 is: 238,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,082.80 : 912,041.40 = 158,838.80 : x
  2. Step 2: Convert to fraction form
    608,082.80/912,041.40 = 158,838.80/x
  3. Step 3: Cross multiply
    608,082.80x = 912,041.40 × 158,838.80
  4. Step 4: Simplify right side
    608,082.80x = 144,867,561,526.32
  5. Step 5: Solve for x
    x = 144,867,561,526.32/608,082.80
  6. Step 6: Final answer
    x = 238,236.57

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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.