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Finding the Fourth Proportional to 564,983.66, 779,484.38 and 323,178.14

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Solution

The fourth proportional to 564,983.66, 779,484.38 and 323,178.14 is: 445,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,983.66 : 779,484.38 = 323,178.14 : x
  2. Step 2: Convert to fraction form
    564,983.66/779,484.38 = 323,178.14/x
  3. Step 3: Cross multiply
    564,983.66x = 779,484.38 × 323,178.14
  4. Step 4: Simplify right side
    564,983.66x = 251,912,312,087.45
  5. Step 5: Solve for x
    x = 251,912,312,087.45/564,983.66
  6. Step 6: Final answer
    x = 445,875.39

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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.