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Finding the Fourth Proportional to 535,205.23, 737,868.71 and 425,188.90

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Solution

The fourth proportional to 535,205.23, 737,868.71 and 425,188.90 is: 586,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,205.23 : 737,868.71 = 425,188.90 : x
  2. Step 2: Convert to fraction form
    535,205.23/737,868.71 = 425,188.90/x
  3. Step 3: Cross multiply
    535,205.23x = 737,868.71 × 425,188.90
  4. Step 4: Simplify right side
    535,205.23x = 313,733,582,632.53
  5. Step 5: Solve for x
    x = 313,733,582,632.53/535,205.23
  6. Step 6: Final answer
    x = 586,193.05

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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.