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Finding the Fourth Proportional to 564,194.46, 778,588.32 and 322,482.24

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Solution

The fourth proportional to 564,194.46, 778,588.32 and 322,482.24 is: 445,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,194.46 : 778,588.32 = 322,482.24 : x
  2. Step 2: Convert to fraction form
    564,194.46/778,588.32 = 322,482.24/x
  3. Step 3: Cross multiply
    564,194.46x = 778,588.32 × 322,482.24
  4. Step 4: Simplify right side
    564,194.46x = 251,080,905,471.44
  5. Step 5: Solve for x
    x = 251,080,905,471.44/564,194.46
  6. Step 6: Final answer
    x = 445,025.47

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Double scale
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Similar ratio
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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.