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Finding the Fourth Proportional to 602,963.89, 904,465.10 and 303,280.81

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Solution

The fourth proportional to 602,963.89, 904,465.10 and 303,280.81 is: 454,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,963.89 : 904,465.10 = 303,280.81 : x
  2. Step 2: Convert to fraction form
    602,963.89/904,465.10 = 303,280.81/x
  3. Step 3: Cross multiply
    602,963.89x = 904,465.10 × 303,280.81
  4. Step 4: Simplify right side
    602,963.89x = 274,306,906,628.33
  5. Step 5: Solve for x
    x = 274,306,906,628.33/602,963.89
  6. Step 6: Final answer
    x = 454,930.90

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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.