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Finding the Fourth Proportional to 607,537.80, 838,385.10 and 335,601.48

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Solution

The fourth proportional to 607,537.80, 838,385.10 and 335,601.48 is: 463,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,537.80 : 838,385.10 = 335,601.48 : x
  2. Step 2: Convert to fraction form
    607,537.80/838,385.10 = 335,601.48/x
  3. Step 3: Cross multiply
    607,537.80x = 838,385.10 × 335,601.48
  4. Step 4: Simplify right side
    607,537.80x = 281,363,280,369.95
  5. Step 5: Solve for x
    x = 281,363,280,369.95/607,537.80
  6. Step 6: Final answer
    x = 463,120.62

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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.