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Finding the Fourth Proportional to 536,949.48, 740,990.88 and 295,236.12

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Solution

The fourth proportional to 536,949.48, 740,990.88 and 295,236.12 is: 407,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,949.48 : 740,990.88 = 295,236.12 : x
  2. Step 2: Convert to fraction form
    536,949.48/740,990.88 = 295,236.12/x
  3. Step 3: Cross multiply
    536,949.48x = 740,990.88 × 295,236.12
  4. Step 4: Simplify right side
    536,949.48x = 218,767,272,366.59
  5. Step 5: Solve for x
    x = 218,767,272,366.59/536,949.48
  6. Step 6: Final answer
    x = 407,426.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.