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Finding the Fourth Proportional to 543,075.40, 814,710.30 and 227,564.20

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Solution

The fourth proportional to 543,075.40, 814,710.30 and 227,564.20 is: 341,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,075.40 : 814,710.30 = 227,564.20 : x
  2. Step 2: Convert to fraction form
    543,075.40/814,710.30 = 227,564.20/x
  3. Step 3: Cross multiply
    543,075.40x = 814,710.30 × 227,564.20
  4. Step 4: Simplify right side
    543,075.40x = 185,398,897,651.26
  5. Step 5: Solve for x
    x = 185,398,897,651.26/543,075.40
  6. Step 6: Final answer
    x = 341,387.03

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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.