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Finding the Fourth Proportional to 562,885.20, 776,786.15 and 333,455.54

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Solution

The fourth proportional to 562,885.20, 776,786.15 and 333,455.54 is: 460,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,885.20 : 776,786.15 = 333,455.54 : x
  2. Step 2: Convert to fraction form
    562,885.20/776,786.15 = 333,455.54/x
  3. Step 3: Cross multiply
    562,885.20x = 776,786.15 × 333,455.54
  4. Step 4: Simplify right side
    562,885.20x = 259,023,642,062.48
  5. Step 5: Solve for x
    x = 259,023,642,062.48/562,885.20
  6. Step 6: Final answer
    x = 460,171.35

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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.