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Finding the Fourth Proportional to 308,804.04, 425,811.16 and 201,174.48

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Solution

The fourth proportional to 308,804.04, 425,811.16 and 201,174.48 is: 277,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,804.04 : 425,811.16 = 201,174.48 : x
  2. Step 2: Convert to fraction form
    308,804.04/425,811.16 = 201,174.48/x
  3. Step 3: Cross multiply
    308,804.04x = 425,811.16 × 201,174.48
  4. Step 4: Simplify right side
    308,804.04x = 85,662,338,691.20
  5. Step 5: Solve for x
    x = 85,662,338,691.20/308,804.04
  6. Step 6: Final answer
    x = 277,400.32

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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.