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Finding the Fourth Proportional to 610,856.52, 842,846.58 and 352,677.48

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Solution

The fourth proportional to 610,856.52, 842,846.58 and 352,677.48 is: 486,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,856.52 : 842,846.58 = 352,677.48 : x
  2. Step 2: Convert to fraction form
    610,856.52/842,846.58 = 352,677.48/x
  3. Step 3: Cross multiply
    610,856.52x = 842,846.58 × 352,677.48
  4. Step 4: Simplify right side
    610,856.52x = 297,253,007,861.02
  5. Step 5: Solve for x
    x = 297,253,007,861.02/610,856.52
  6. Step 6: Final answer
    x = 486,616.74

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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.