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Finding the Fourth Proportional to 341,904.30, 512,856.45 and 303,522.45

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Solution

The fourth proportional to 341,904.30, 512,856.45 and 303,522.45 is: 455,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,904.30 : 512,856.45 = 303,522.45 : x
  2. Step 2: Convert to fraction form
    341,904.30/512,856.45 = 303,522.45/x
  3. Step 3: Cross multiply
    341,904.30x = 512,856.45 × 303,522.45
  4. Step 4: Simplify right side
    341,904.30x = 155,663,446,202.30
  5. Step 5: Solve for x
    x = 155,663,446,202.30/341,904.30
  6. Step 6: Final answer
    x = 455,283.68

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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.