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Finding the Fourth Proportional to 303,303.94, 418,560.87 and 167,339.50

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Solution

The fourth proportional to 303,303.94, 418,560.87 and 167,339.50 is: 230,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,303.94 : 418,560.87 = 167,339.50 : x
  2. Step 2: Convert to fraction form
    303,303.94/418,560.87 = 167,339.50/x
  3. Step 3: Cross multiply
    303,303.94x = 418,560.87 × 167,339.50
  4. Step 4: Simplify right side
    303,303.94x = 70,041,766,705.37
  5. Step 5: Solve for x
    x = 70,041,766,705.37/303,303.94
  6. Step 6: Final answer
    x = 230,929.30

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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.