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Finding the Fourth Proportional to 564,304.26, 778,739.46 and 322,592.16

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Solution

The fourth proportional to 564,304.26, 778,739.46 and 322,592.16 is: 445,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,304.26 : 778,739.46 = 322,592.16 : x
  2. Step 2: Convert to fraction form
    564,304.26/778,739.46 = 322,592.16/x
  3. Step 3: Cross multiply
    564,304.26x = 778,739.46 × 322,592.16
  4. Step 4: Simplify right side
    564,304.26x = 251,215,244,478.63
  5. Step 5: Solve for x
    x = 251,215,244,478.63/564,304.26
  6. Step 6: Final answer
    x = 445,176.94

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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.