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Finding the Fourth Proportional to 607,191.91, 837,573.58 and 392,331.97

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Solution

The fourth proportional to 607,191.91, 837,573.58 and 392,331.97 is: 541,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,191.91 : 837,573.58 = 392,331.97 : x
  2. Step 2: Convert to fraction form
    607,191.91/837,573.58 = 392,331.97/x
  3. Step 3: Cross multiply
    607,191.91x = 837,573.58 × 392,331.97
  4. Step 4: Simplify right side
    607,191.91x = 328,606,894,198.74
  5. Step 5: Solve for x
    x = 328,606,894,198.74/607,191.91
  6. Step 6: Final answer
    x = 541,191.16

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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.