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Finding the Fourth Proportional to 671,450.92, 926,566.50 and 384,957.16

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Solution

The fourth proportional to 671,450.92, 926,566.50 and 384,957.16 is: 531,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,450.92 : 926,566.50 = 384,957.16 : x
  2. Step 2: Convert to fraction form
    671,450.92/926,566.50 = 384,957.16/x
  3. Step 3: Cross multiply
    671,450.92x = 926,566.50 × 384,957.16
  4. Step 4: Simplify right side
    671,450.92x = 356,688,408,391.14
  5. Step 5: Solve for x
    x = 356,688,408,391.14/671,450.92
  6. Step 6: Final answer
    x = 531,220.37

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Double scale
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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.