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Finding the Fourth Proportional to 425,653.43, 587,394.74 and 234,684.59

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Solution

The fourth proportional to 425,653.43, 587,394.74 and 234,684.59 is: 323,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,653.43 : 587,394.74 = 234,684.59 : x
  2. Step 2: Convert to fraction form
    425,653.43/587,394.74 = 234,684.59/x
  3. Step 3: Cross multiply
    425,653.43x = 587,394.74 × 234,684.59
  4. Step 4: Simplify right side
    425,653.43x = 137,852,492,551.63
  5. Step 5: Solve for x
    x = 137,852,492,551.63/425,653.43
  6. Step 6: Final answer
    x = 323,860.88

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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.