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Finding the Fourth Proportional to 671,133.60, 926,204.32 and 384,672.24

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Solution

The fourth proportional to 671,133.60, 926,204.32 and 384,672.24 is: 530,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,133.60 : 926,204.32 = 384,672.24 : x
  2. Step 2: Convert to fraction form
    671,133.60/926,204.32 = 384,672.24/x
  3. Step 3: Cross multiply
    671,133.60x = 926,204.32 × 384,672.24
  4. Step 4: Simplify right side
    671,133.60x = 356,285,090,472.08
  5. Step 5: Solve for x
    x = 356,285,090,472.08/671,133.60
  6. Step 6: Final answer
    x = 530,870.59

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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.