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Finding the Fourth Proportional to 592,906.25, 818,210.90 and 320,974.14

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Solution

The fourth proportional to 592,906.25, 818,210.90 and 320,974.14 is: 442,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,906.25 : 818,210.90 = 320,974.14 : x
  2. Step 2: Convert to fraction form
    592,906.25/818,210.90 = 320,974.14/x
  3. Step 3: Cross multiply
    592,906.25x = 818,210.90 × 320,974.14
  4. Step 4: Simplify right side
    592,906.25x = 262,624,539,564.91
  5. Step 5: Solve for x
    x = 262,624,539,564.91/592,906.25
  6. Step 6: Final answer
    x = 442,944.46

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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.