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Finding the Fourth Proportional to 564,891.84, 779,552.64 and 310,236.48

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Solution

The fourth proportional to 564,891.84, 779,552.64 and 310,236.48 is: 428,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,891.84 : 779,552.64 = 310,236.48 : x
  2. Step 2: Convert to fraction form
    564,891.84/779,552.64 = 310,236.48/x
  3. Step 3: Cross multiply
    564,891.84x = 779,552.64 × 310,236.48
  4. Step 4: Simplify right side
    564,891.84x = 241,845,667,008.31
  5. Step 5: Solve for x
    x = 241,845,667,008.31/564,891.84
  6. Step 6: Final answer
    x = 428,127.39

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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.