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Finding the Fourth Proportional to 541,366.32, 812,045 and 423,137.04

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Solution

The fourth proportional to 541,366.32, 812,045 and 423,137.04 is: 634,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,366.32 : 812,045 = 423,137.04 : x
  2. Step 2: Convert to fraction form
    541,366.32/812,045 = 423,137.04/x
  3. Step 3: Cross multiply
    541,366.32x = 812,045 × 423,137.04
  4. Step 4: Simplify right side
    541,366.32x = 343,606,317,646.80
  5. Step 5: Solve for x
    x = 343,606,317,646.80/541,366.32
  6. Step 6: Final answer
    x = 634,702.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.