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Finding the Fourth Proportional to 592,395.01, 817,505.36 and 320,462.85

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Solution

The fourth proportional to 592,395.01, 817,505.36 and 320,462.85 is: 442,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,395.01 : 817,505.36 = 320,462.85 : x
  2. Step 2: Convert to fraction form
    592,395.01/817,505.36 = 320,462.85/x
  3. Step 3: Cross multiply
    592,395.01x = 817,505.36 × 320,462.85
  4. Step 4: Simplify right side
    592,395.01x = 261,980,091,866.04
  5. Step 5: Solve for x
    x = 261,980,091,866.04/592,395.01
  6. Step 6: Final answer
    x = 442,238.86

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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.