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Finding the Fourth Proportional to 633,025.69, 873,586.26 and 391,302.04

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Solution

The fourth proportional to 633,025.69, 873,586.26 and 391,302.04 is: 540,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,025.69 : 873,586.26 = 391,302.04 : x
  2. Step 2: Convert to fraction form
    633,025.69/873,586.26 = 391,302.04/x
  3. Step 3: Cross multiply
    633,025.69x = 873,586.26 × 391,302.04
  4. Step 4: Simplify right side
    633,025.69x = 341,836,085,653.97
  5. Step 5: Solve for x
    x = 341,836,085,653.97/633,025.69
  6. Step 6: Final answer
    x = 540,003.50

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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.