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Finding the Fourth Proportional to 564,794.96, 779,422.46 and 310,151.48

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Solution

The fourth proportional to 564,794.96, 779,422.46 and 310,151.48 is: 428,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,794.96 : 779,422.46 = 310,151.48 : x
  2. Step 2: Convert to fraction form
    564,794.96/779,422.46 = 310,151.48/x
  3. Step 3: Cross multiply
    564,794.96x = 779,422.46 × 310,151.48
  4. Step 4: Simplify right side
    564,794.96x = 241,739,024,066.37
  5. Step 5: Solve for x
    x = 241,739,024,066.37/564,794.96
  6. Step 6: Final answer
    x = 428,012.01

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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.