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Finding the Fourth Proportional to 362,607.30, 500,387.22 and 199,264.32

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Solution

The fourth proportional to 362,607.30, 500,387.22 and 199,264.32 is: 274,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,607.30 : 500,387.22 = 199,264.32 : x
  2. Step 2: Convert to fraction form
    362,607.30/500,387.22 = 199,264.32/x
  3. Step 3: Cross multiply
    362,607.30x = 500,387.22 × 199,264.32
  4. Step 4: Simplify right side
    362,607.30x = 99,709,319,129.99
  5. Step 5: Solve for x
    x = 99,709,319,129.99/362,607.30
  6. Step 6: Final answer
    x = 274,978.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.