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Finding the Fourth Proportional to 362,531.76, 500,279.93 and 201,396.95

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Solution

The fourth proportional to 362,531.76, 500,279.93 and 201,396.95 is: 277,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,531.76 : 500,279.93 = 201,396.95 : x
  2. Step 2: Convert to fraction form
    362,531.76/500,279.93 = 201,396.95/x
  3. Step 3: Cross multiply
    362,531.76x = 500,279.93 × 201,396.95
  4. Step 4: Simplify right side
    362,531.76x = 100,754,849,295.07
  5. Step 5: Solve for x
    x = 100,754,849,295.07/362,531.76
  6. Step 6: Final answer
    x = 277,920.06

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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.