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Finding the Fourth Proportional to 613,757.55, 846,692.05 and 476,854.65

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Solution

The fourth proportional to 613,757.55, 846,692.05 and 476,854.65 is: 657,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,757.55 : 846,692.05 = 476,854.65 : x
  2. Step 2: Convert to fraction form
    613,757.55/846,692.05 = 476,854.65/x
  3. Step 3: Cross multiply
    613,757.55x = 846,692.05 × 476,854.65
  4. Step 4: Simplify right side
    613,757.55x = 403,749,041,160.53
  5. Step 5: Solve for x
    x = 403,749,041,160.53/613,757.55
  6. Step 6: Final answer
    x = 657,831.49

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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.