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Finding the Fourth Proportional to 607,344.48, 838,121.04 and 335,406.96

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Solution

The fourth proportional to 607,344.48, 838,121.04 and 335,406.96 is: 462,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,344.48 : 838,121.04 = 335,406.96 : x
  2. Step 2: Convert to fraction form
    607,344.48/838,121.04 = 335,406.96/x
  3. Step 3: Cross multiply
    607,344.48x = 838,121.04 × 335,406.96
  4. Step 4: Simplify right side
    607,344.48x = 281,111,630,138.44
  5. Step 5: Solve for x
    x = 281,111,630,138.44/607,344.48
  6. Step 6: Final answer
    x = 462,853.68

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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.