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Finding the Fourth Proportional to 316,550.16, 474,808.23 and 79,894.89

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Solution

The fourth proportional to 316,550.16, 474,808.23 and 79,894.89 is: 119,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,550.16 : 474,808.23 = 79,894.89 : x
  2. Step 2: Convert to fraction form
    316,550.16/474,808.23 = 79,894.89/x
  3. Step 3: Cross multiply
    316,550.16x = 474,808.23 × 79,894.89
  4. Step 4: Simplify right side
    316,550.16x = 37,934,751,306.94
  5. Step 5: Solve for x
    x = 37,934,751,306.94/316,550.16
  6. Step 6: Final answer
    x = 119,838.04

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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.