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Finding the Fourth Proportional to 607,397.62, 911,207.15 and 303,950.46

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Solution

The fourth proportional to 607,397.62, 911,207.15 and 303,950.46 is: 455,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,397.62 : 911,207.15 = 303,950.46 : x
  2. Step 2: Convert to fraction form
    607,397.62/911,207.15 = 303,950.46/x
  3. Step 3: Cross multiply
    607,397.62x = 911,207.15 × 303,950.46
  4. Step 4: Simplify right side
    607,397.62x = 276,961,832,397.79
  5. Step 5: Solve for x
    x = 276,961,832,397.79/607,397.62
  6. Step 6: Final answer
    x = 455,981.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.