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Finding the Fourth Proportional to 312,410.01, 468,518.16 and 112,704.45

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Solution

The fourth proportional to 312,410.01, 468,518.16 and 112,704.45 is: 169,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,410.01 : 468,518.16 = 112,704.45 : x
  2. Step 2: Convert to fraction form
    312,410.01/468,518.16 = 112,704.45/x
  3. Step 3: Cross multiply
    312,410.01x = 468,518.16 × 112,704.45
  4. Step 4: Simplify right side
    312,410.01x = 52,804,081,537.81
  5. Step 5: Solve for x
    x = 52,804,081,537.81/312,410.01
  6. Step 6: Final answer
    x = 169,021.73

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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.