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Finding the Fourth Proportional to 536,995.80, 804,572.10 and 255,907.80

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Solution

The fourth proportional to 536,995.80, 804,572.10 and 255,907.80 is: 383,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,995.80 : 804,572.10 = 255,907.80 : x
  2. Step 2: Convert to fraction form
    536,995.80/804,572.10 = 255,907.80/x
  3. Step 3: Cross multiply
    536,995.80x = 804,572.10 × 255,907.80
  4. Step 4: Simplify right side
    536,995.80x = 205,896,276,052.38
  5. Step 5: Solve for x
    x = 205,896,276,052.38/536,995.80
  6. Step 6: Final answer
    x = 383,422.51

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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.