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Finding the Fourth Proportional to 654,490.96, 903,185.50 and 364,101.10

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Solution

The fourth proportional to 654,490.96, 903,185.50 and 364,101.10 is: 502,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,490.96 : 903,185.50 = 364,101.10 : x
  2. Step 2: Convert to fraction form
    654,490.96/903,185.50 = 364,101.10/x
  3. Step 3: Cross multiply
    654,490.96x = 903,185.50 × 364,101.10
  4. Step 4: Simplify right side
    654,490.96x = 328,850,834,054.05
  5. Step 5: Solve for x
    x = 328,850,834,054.05/654,490.96
  6. Step 6: Final answer
    x = 502,452.83

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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.