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Finding the Fourth Proportional to 498,338.04, 747,507.06 and 284,956.28

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Solution

The fourth proportional to 498,338.04, 747,507.06 and 284,956.28 is: 427,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,338.04 : 747,507.06 = 284,956.28 : x
  2. Step 2: Convert to fraction form
    498,338.04/747,507.06 = 284,956.28/x
  3. Step 3: Cross multiply
    498,338.04x = 747,507.06 × 284,956.28
  4. Step 4: Simplify right side
    498,338.04x = 213,006,831,091.34
  5. Step 5: Solve for x
    x = 213,006,831,091.34/498,338.04
  6. Step 6: Final answer
    x = 427,434.42

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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.