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Finding the Fourth Proportional to 613,901.32, 847,071.39 and 341,962.45

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Solution

The fourth proportional to 613,901.32, 847,071.39 and 341,962.45 is: 471,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,901.32 : 847,071.39 = 341,962.45 : x
  2. Step 2: Convert to fraction form
    613,901.32/847,071.39 = 341,962.45/x
  3. Step 3: Cross multiply
    613,901.32x = 847,071.39 × 341,962.45
  4. Step 4: Simplify right side
    613,901.32x = 289,666,611,778.76
  5. Step 5: Solve for x
    x = 289,666,611,778.76/613,901.32
  6. Step 6: Final answer
    x = 471,845.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.