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Finding the Fourth Proportional to 312,000.42, 468,078.75 and 179,030.82

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Solution

The fourth proportional to 312,000.42, 468,078.75 and 179,030.82 is: 268,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,000.42 : 468,078.75 = 179,030.82 : x
  2. Step 2: Convert to fraction form
    312,000.42/468,078.75 = 179,030.82/x
  3. Step 3: Cross multiply
    312,000.42x = 468,078.75 × 179,030.82
  4. Step 4: Simplify right side
    312,000.42x = 83,800,522,437.08
  5. Step 5: Solve for x
    x = 83,800,522,437.08/312,000.42
  6. Step 6: Final answer
    x = 268,591.06

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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.