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Finding the Fourth Proportional to 564,873.11, 779,523.93 and 310,224.27

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Solution

The fourth proportional to 564,873.11, 779,523.93 and 310,224.27 is: 428,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,873.11 : 779,523.93 = 310,224.27 : x
  2. Step 2: Convert to fraction form
    564,873.11/779,523.93 = 310,224.27/x
  3. Step 3: Cross multiply
    564,873.11x = 779,523.93 × 310,224.27
  4. Step 4: Simplify right side
    564,873.11x = 241,827,242,131.78
  5. Step 5: Solve for x
    x = 241,827,242,131.78/564,873.11
  6. Step 6: Final answer
    x = 428,108.96

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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.