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Finding the Fourth Proportional to 671,065.57, 926,108.81 and 384,633.37

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Solution

The fourth proportional to 671,065.57, 926,108.81 and 384,633.37 is: 530,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,065.57 : 926,108.81 = 384,633.37 : x
  2. Step 2: Convert to fraction form
    671,065.57/926,108.81 = 384,633.37/x
  3. Step 3: Cross multiply
    671,065.57x = 926,108.81 × 384,633.37
  4. Step 4: Simplify right side
    671,065.57x = 356,212,350,653.82
  5. Step 5: Solve for x
    x = 356,212,350,653.82/671,065.57
  6. Step 6: Final answer
    x = 530,816.01

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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.