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Finding the Fourth Proportional to 562,600.56, 776,410.20 and 320,922.48

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Solution

The fourth proportional to 562,600.56, 776,410.20 and 320,922.48 is: 442,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,600.56 : 776,410.20 = 320,922.48 : x
  2. Step 2: Convert to fraction form
    562,600.56/776,410.20 = 320,922.48/x
  3. Step 3: Cross multiply
    562,600.56x = 776,410.20 × 320,922.48
  4. Step 4: Simplify right side
    562,600.56x = 249,167,486,881.30
  5. Step 5: Solve for x
    x = 249,167,486,881.30/562,600.56
  6. Step 6: Final answer
    x = 442,885.25

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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.