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Finding the Fourth Proportional to 671,344.92, 926,428.73 and 384,665.67

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Solution

The fourth proportional to 671,344.92, 926,428.73 and 384,665.67 is: 530,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,344.92 : 926,428.73 = 384,665.67 : x
  2. Step 2: Convert to fraction form
    671,344.92/926,428.73 = 384,665.67/x
  3. Step 3: Cross multiply
    671,344.92x = 926,428.73 × 384,665.67
  4. Step 4: Simplify right side
    671,344.92x = 356,365,326,209.37
  5. Step 5: Solve for x
    x = 356,365,326,209.37/671,344.92
  6. Step 6: Final answer
    x = 530,823.00

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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.