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Finding the Fourth Proportional to 313,671.36, 470,514.72 and 92,062.40

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Solution

The fourth proportional to 313,671.36, 470,514.72 and 92,062.40 is: 138,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,671.36 : 470,514.72 = 92,062.40 : x
  2. Step 2: Convert to fraction form
    313,671.36/470,514.72 = 92,062.40/x
  3. Step 3: Cross multiply
    313,671.36x = 470,514.72 × 92,062.40
  4. Step 4: Simplify right side
    313,671.36x = 43,316,714,358.53
  5. Step 5: Solve for x
    x = 43,316,714,358.53/313,671.36
  6. Step 6: Final answer
    x = 138,095.85

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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.