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Finding the Fourth Proportional to 306,496.17, 459,744.30 and 84,880.17

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Solution

The fourth proportional to 306,496.17, 459,744.30 and 84,880.17 is: 127,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,496.17 : 459,744.30 = 84,880.17 : x
  2. Step 2: Convert to fraction form
    306,496.17/459,744.30 = 84,880.17/x
  3. Step 3: Cross multiply
    306,496.17x = 459,744.30 × 84,880.17
  4. Step 4: Simplify right side
    306,496.17x = 39,023,174,340.53
  5. Step 5: Solve for x
    x = 39,023,174,340.53/306,496.17
  6. Step 6: Final answer
    x = 127,320.27

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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.