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Finding the Fourth Proportional to 362,564.90, 500,419.59 and 201,475.34

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Solution

The fourth proportional to 362,564.90, 500,419.59 and 201,475.34 is: 278,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,564.90 : 500,419.59 = 201,475.34 : x
  2. Step 2: Convert to fraction form
    362,564.90/500,419.59 = 201,475.34/x
  3. Step 3: Cross multiply
    362,564.90x = 500,419.59 × 201,475.34
  4. Step 4: Simplify right side
    362,564.90x = 100,822,207,037.91
  5. Step 5: Solve for x
    x = 100,822,207,037.91/362,564.90
  6. Step 6: Final answer
    x = 278,080.44

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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.