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Finding the Fourth Proportional to 534,667.80, 802,001.70 and 331,714.20

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Solution

The fourth proportional to 534,667.80, 802,001.70 and 331,714.20 is: 497,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,667.80 : 802,001.70 = 331,714.20 : x
  2. Step 2: Convert to fraction form
    534,667.80/802,001.70 = 331,714.20/x
  3. Step 3: Cross multiply
    534,667.80x = 802,001.70 × 331,714.20
  4. Step 4: Simplify right side
    534,667.80x = 266,035,352,314.14
  5. Step 5: Solve for x
    x = 266,035,352,314.14/534,667.80
  6. Step 6: Final answer
    x = 497,571.30

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1.5x scale

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.