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Finding the Fourth Proportional to 564,688.56, 779,047.92 and 322,841.22

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Solution

The fourth proportional to 564,688.56, 779,047.92 and 322,841.22 is: 445,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,688.56 : 779,047.92 = 322,841.22 : x
  2. Step 2: Convert to fraction form
    564,688.56/779,047.92 = 322,841.22/x
  3. Step 3: Cross multiply
    564,688.56x = 779,047.92 × 322,841.22
  4. Step 4: Simplify right side
    564,688.56x = 251,508,780,931.26
  5. Step 5: Solve for x
    x = 251,508,780,931.26/564,688.56
  6. Step 6: Final answer
    x = 445,393.80

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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.