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Finding the Fourth Proportional to 564,190.25, 778,635.25 and 322,425.59

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Solution

The fourth proportional to 564,190.25, 778,635.25 and 322,425.59 is: 444,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,190.25 : 778,635.25 = 322,425.59 : x
  2. Step 2: Convert to fraction form
    564,190.25/778,635.25 = 322,425.59/x
  3. Step 3: Cross multiply
    564,190.25x = 778,635.25 × 322,425.59
  4. Step 4: Simplify right side
    564,190.25x = 251,051,925,176.81
  5. Step 5: Solve for x
    x = 251,051,925,176.81/564,190.25
  6. Step 6: Final answer
    x = 444,977.43

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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.