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Finding the Fourth Proportional to 624,388.34, 860,937.61 and 461,280.84

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Solution

The fourth proportional to 624,388.34, 860,937.61 and 461,280.84 is: 636,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,388.34 : 860,937.61 = 461,280.84 : x
  2. Step 2: Convert to fraction form
    624,388.34/860,937.61 = 461,280.84/x
  3. Step 3: Cross multiply
    624,388.34x = 860,937.61 × 461,280.84
  4. Step 4: Simplify right side
    624,388.34x = 397,134,023,928.39
  5. Step 5: Solve for x
    x = 397,134,023,928.39/624,388.34
  6. Step 6: Final answer
    x = 636,036.90

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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.