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Finding the Fourth Proportional to 613,306.45, 846,362.94 and 341,368.49

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Solution

The fourth proportional to 613,306.45, 846,362.94 and 341,368.49 is: 471,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,306.45 : 846,362.94 = 341,368.49 : x
  2. Step 2: Convert to fraction form
    613,306.45/846,362.94 = 341,368.49/x
  3. Step 3: Cross multiply
    613,306.45x = 846,362.94 × 341,368.49
  4. Step 4: Simplify right side
    613,306.45x = 288,921,634,587.95
  5. Step 5: Solve for x
    x = 288,921,634,587.95/613,306.45
  6. Step 6: Final answer
    x = 471,088.53

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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.