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Finding the Fourth Proportional to 676,536.16, 933,544.56 and 374,654.56

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Solution

The fourth proportional to 676,536.16, 933,544.56 and 374,654.56 is: 516,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,536.16 : 933,544.56 = 374,654.56 : x
  2. Step 2: Convert to fraction form
    676,536.16/933,544.56 = 374,654.56/x
  3. Step 3: Cross multiply
    676,536.16x = 933,544.56 × 374,654.56
  4. Step 4: Simplify right side
    676,536.16x = 349,756,726,367.19
  5. Step 5: Solve for x
    x = 349,756,726,367.19/676,536.16
  6. Step 6: Final answer
    x = 516,981.57

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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.