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Finding the Fourth Proportional to 622,457.68, 932,286.12 and 436,300.24

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Solution

The fourth proportional to 622,457.68, 932,286.12 and 436,300.24 is: 653,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,457.68 : 932,286.12 = 436,300.24 : x
  2. Step 2: Convert to fraction form
    622,457.68/932,286.12 = 436,300.24/x
  3. Step 3: Cross multiply
    622,457.68x = 932,286.12 × 436,300.24
  4. Step 4: Simplify right side
    622,457.68x = 406,756,657,904.67
  5. Step 5: Solve for x
    x = 406,756,657,904.67/622,457.68
  6. Step 6: Final answer
    x = 653,468.78

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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.