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Finding the Fourth Proportional to 620,575.99, 930,873.34 and 236,346.11

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Solution

The fourth proportional to 620,575.99, 930,873.34 and 236,346.11 is: 354,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,575.99 : 930,873.34 = 236,346.11 : x
  2. Step 2: Convert to fraction form
    620,575.99/930,873.34 = 236,346.11/x
  3. Step 3: Cross multiply
    620,575.99x = 930,873.34 × 236,346.11
  4. Step 4: Simplify right side
    620,575.99x = 220,008,292,811.71
  5. Step 5: Solve for x
    x = 220,008,292,811.71/620,575.99
  6. Step 6: Final answer
    x = 354,522.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.