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Finding the Fourth Proportional to 676,167.77, 933,174.11 and 374,361.77

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Solution

The fourth proportional to 676,167.77, 933,174.11 and 374,361.77 is: 516,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,167.77 : 933,174.11 = 374,361.77 : x
  2. Step 2: Convert to fraction form
    676,167.77/933,174.11 = 374,361.77/x
  3. Step 3: Cross multiply
    676,167.77x = 933,174.11 × 374,361.77
  4. Step 4: Simplify right side
    676,167.77x = 349,344,707,807.81
  5. Step 5: Solve for x
    x = 349,344,707,807.81/676,167.77
  6. Step 6: Final answer
    x = 516,653.89

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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.