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Finding the Fourth Proportional to 529,817.80, 794,453.10 and 155,792.20

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Solution

The fourth proportional to 529,817.80, 794,453.10 and 155,792.20 is: 233,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,817.80 : 794,453.10 = 155,792.20 : x
  2. Step 2: Convert to fraction form
    529,817.80/794,453.10 = 155,792.20/x
  3. Step 3: Cross multiply
    529,817.80x = 794,453.10 × 155,792.20
  4. Step 4: Simplify right side
    529,817.80x = 123,769,596,245.82
  5. Step 5: Solve for x
    x = 123,769,596,245.82/529,817.80
  6. Step 6: Final answer
    x = 233,607.85

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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.