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Finding the Fourth Proportional to 613,324.95, 846,369.59 and 341,385.87

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Solution

The fourth proportional to 613,324.95, 846,369.59 and 341,385.87 is: 471,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,324.95 : 846,369.59 = 341,385.87 : x
  2. Step 2: Convert to fraction form
    613,324.95/846,369.59 = 341,385.87/x
  3. Step 3: Cross multiply
    613,324.95x = 846,369.59 × 341,385.87
  4. Step 4: Simplify right side
    613,324.95x = 288,938,617,116.76
  5. Step 5: Solve for x
    x = 288,938,617,116.76/613,324.95
  6. Step 6: Final answer
    x = 471,102.01

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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.