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Finding the Fourth Proportional to 734,981, 1,102,471.50 and 236,345

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Solution

The fourth proportional to 734,981, 1,102,471.50 and 236,345 is: 354,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,981 : 1,102,471.50 = 236,345 : x
  2. Step 2: Convert to fraction form
    734,981/1,102,471.50 = 236,345/x
  3. Step 3: Cross multiply
    734,981x = 1,102,471.50 × 236,345
  4. Step 4: Simplify right side
    734,981x = 260,563,626,667.50
  5. Step 5: Solve for x
    x = 260,563,626,667.50/734,981
  6. Step 6: Final answer
    x = 354,517.50

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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.