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Finding the Fourth Proportional to 312,452.01, 468,678.72 and 112,913.34

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Solution

The fourth proportional to 312,452.01, 468,678.72 and 112,913.34 is: 169,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,452.01 : 468,678.72 = 112,913.34 : x
  2. Step 2: Convert to fraction form
    312,452.01/468,678.72 = 112,913.34/x
  3. Step 3: Cross multiply
    312,452.01x = 468,678.72 × 112,913.34
  4. Step 4: Simplify right side
    312,452.01x = 52,920,079,662.12
  5. Step 5: Solve for x
    x = 52,920,079,662.12/312,452.01
  6. Step 6: Final answer
    x = 169,370.26

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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.