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Finding the Fourth Proportional to 553,592.34, 764,146.08 and 344,204.10

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Solution

The fourth proportional to 553,592.34, 764,146.08 and 344,204.10 is: 475,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,592.34 : 764,146.08 = 344,204.10 : x
  2. Step 2: Convert to fraction form
    553,592.34/764,146.08 = 344,204.10/x
  3. Step 3: Cross multiply
    553,592.34x = 764,146.08 × 344,204.10
  4. Step 4: Simplify right side
    553,592.34x = 263,022,213,734.93
  5. Step 5: Solve for x
    x = 263,022,213,734.93/553,592.34
  6. Step 6: Final answer
    x = 475,118.95

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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.