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Finding the Fourth Proportional to 672,212.96, 927,641.84 and 366,292

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Solution

The fourth proportional to 672,212.96, 927,641.84 and 366,292 is: 505,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,212.96 : 927,641.84 = 366,292 : x
  2. Step 2: Convert to fraction form
    672,212.96/927,641.84 = 366,292/x
  3. Step 3: Cross multiply
    672,212.96x = 927,641.84 × 366,292
  4. Step 4: Simplify right side
    672,212.96x = 339,787,784,857.28
  5. Step 5: Solve for x
    x = 339,787,784,857.28/672,212.96
  6. Step 6: Final answer
    x = 505,476.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.