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Finding the Fourth Proportional to 312,023.38, 468,095.64 and 119,883.70

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Solution

The fourth proportional to 312,023.38, 468,095.64 and 119,883.70 is: 179,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,023.38 : 468,095.64 = 119,883.70 : x
  2. Step 2: Convert to fraction form
    312,023.38/468,095.64 = 119,883.70/x
  3. Step 3: Cross multiply
    312,023.38x = 468,095.64 × 119,883.70
  4. Step 4: Simplify right side
    312,023.38x = 56,117,037,277.07
  5. Step 5: Solve for x
    x = 56,117,037,277.07/312,023.38
  6. Step 6: Final answer
    x = 179,848.82

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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.