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Finding the Fourth Proportional to 594,615.92, 820,515 and 352,856.72

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Solution

The fourth proportional to 594,615.92, 820,515 and 352,856.72 is: 486,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,615.92 : 820,515 = 352,856.72 : x
  2. Step 2: Convert to fraction form
    594,615.92/820,515 = 352,856.72/x
  3. Step 3: Cross multiply
    594,615.92x = 820,515 × 352,856.72
  4. Step 4: Simplify right side
    594,615.92x = 289,524,231,610.80
  5. Step 5: Solve for x
    x = 289,524,231,610.80/594,615.92
  6. Step 6: Final answer
    x = 486,909.65

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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.