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Finding the Fourth Proportional to 634,110.30, 875,044.71 and 379,601.82

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Solution

The fourth proportional to 634,110.30, 875,044.71 and 379,601.82 is: 523,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,110.30 : 875,044.71 = 379,601.82 : x
  2. Step 2: Convert to fraction form
    634,110.30/875,044.71 = 379,601.82/x
  3. Step 3: Cross multiply
    634,110.30x = 875,044.71 × 379,601.82
  4. Step 4: Simplify right side
    634,110.30x = 332,168,564,497.37
  5. Step 5: Solve for x
    x = 332,168,564,497.37/634,110.30
  6. Step 6: Final answer
    x = 523,834.05

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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.