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Finding the Fourth Proportional to 371,473.59, 512,633.56 and 201,707.72

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Solution

The fourth proportional to 371,473.59, 512,633.56 and 201,707.72 is: 278,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,473.59 : 512,633.56 = 201,707.72 : x
  2. Step 2: Convert to fraction form
    371,473.59/512,633.56 = 201,707.72/x
  3. Step 3: Cross multiply
    371,473.59x = 512,633.56 × 201,707.72
  4. Step 4: Simplify right side
    371,473.59x = 103,402,145,816.22
  5. Step 5: Solve for x
    x = 103,402,145,816.22/371,473.59
  6. Step 6: Final answer
    x = 278,356.65

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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.