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Finding the Fourth Proportional to 648,513.45, 894,856.01 and 362,027.25

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Solution

The fourth proportional to 648,513.45, 894,856.01 and 362,027.25 is: 499,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,513.45 : 894,856.01 = 362,027.25 : x
  2. Step 2: Convert to fraction form
    648,513.45/894,856.01 = 362,027.25/x
  3. Step 3: Cross multiply
    648,513.45x = 894,856.01 × 362,027.25
  4. Step 4: Simplify right side
    648,513.45x = 323,962,258,636.14
  5. Step 5: Solve for x
    x = 323,962,258,636.14/648,513.45
  6. Step 6: Final answer
    x = 499,545.94

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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.