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Finding the Fourth Proportional to 558,674.40, 838,015.86 and 159,314.84

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Solution

The fourth proportional to 558,674.40, 838,015.86 and 159,314.84 is: 238,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,674.40 : 838,015.86 = 159,314.84 : x
  2. Step 2: Convert to fraction form
    558,674.40/838,015.86 = 159,314.84/x
  3. Step 3: Cross multiply
    558,674.40x = 838,015.86 × 159,314.84
  4. Step 4: Simplify right side
    558,674.40x = 133,508,362,653.36
  5. Step 5: Solve for x
    x = 133,508,362,653.36/558,674.40
  6. Step 6: Final answer
    x = 238,973.47

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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.