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Finding the Fourth Proportional to 654,617.44, 903,333.36 and 364,221.28

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Solution

The fourth proportional to 654,617.44, 903,333.36 and 364,221.28 is: 502,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,617.44 : 903,333.36 = 364,221.28 : x
  2. Step 2: Convert to fraction form
    654,617.44/903,333.36 = 364,221.28/x
  3. Step 3: Cross multiply
    654,617.44x = 903,333.36 × 364,221.28
  4. Step 4: Simplify right side
    654,617.44x = 329,013,232,645.90
  5. Step 5: Solve for x
    x = 329,013,232,645.90/654,617.44
  6. Step 6: Final answer
    x = 502,603.83

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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.