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Finding the Fourth Proportional to 537,193.80, 804,915.90 and 395,476.20

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Solution

The fourth proportional to 537,193.80, 804,915.90 and 395,476.20 is: 592,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,193.80 : 804,915.90 = 395,476.20 : x
  2. Step 2: Convert to fraction form
    537,193.80/804,915.90 = 395,476.20/x
  3. Step 3: Cross multiply
    537,193.80x = 804,915.90 × 395,476.20
  4. Step 4: Simplify right side
    537,193.80x = 318,325,081,451.58
  5. Step 5: Solve for x
    x = 318,325,081,451.58/537,193.80
  6. Step 6: Final answer
    x = 592,570.28

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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.