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Finding the Fourth Proportional to 623,441.74, 860,349.22 and 336,961.83

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Solution

The fourth proportional to 623,441.74, 860,349.22 and 336,961.83 is: 465,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,441.74 : 860,349.22 = 336,961.83 : x
  2. Step 2: Convert to fraction form
    623,441.74/860,349.22 = 336,961.83/x
  3. Step 3: Cross multiply
    623,441.74x = 860,349.22 × 336,961.83
  4. Step 4: Simplify right side
    623,441.74x = 289,904,843,308.53
  5. Step 5: Solve for x
    x = 289,904,843,308.53/623,441.74
  6. Step 6: Final answer
    x = 465,007.11

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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.