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Finding the Fourth Proportional to 654,429.14, 903,100.22 and 364,039.28

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Solution

The fourth proportional to 654,429.14, 903,100.22 and 364,039.28 is: 502,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,429.14 : 903,100.22 = 364,039.28 : x
  2. Step 2: Convert to fraction form
    654,429.14/903,100.22 = 364,039.28/x
  3. Step 3: Cross multiply
    654,429.14x = 903,100.22 × 364,039.28
  4. Step 4: Simplify right side
    654,429.14x = 328,763,953,856.64
  5. Step 5: Solve for x
    x = 328,763,953,856.64/654,429.14
  6. Step 6: Final answer
    x = 502,367.53

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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.