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Finding the Fourth Proportional to 578,155.38, 797,759.16 and 363,142.26

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Solution

The fourth proportional to 578,155.38, 797,759.16 and 363,142.26 is: 501,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,155.38 : 797,759.16 = 363,142.26 : x
  2. Step 2: Convert to fraction form
    578,155.38/797,759.16 = 363,142.26/x
  3. Step 3: Cross multiply
    578,155.38x = 797,759.16 × 363,142.26
  4. Step 4: Simplify right side
    578,155.38x = 289,700,064,298.10
  5. Step 5: Solve for x
    x = 289,700,064,298.10/578,155.38
  6. Step 6: Final answer
    x = 501,076.48

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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.