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Finding the Fourth Proportional to 553,595.34, 764,150.22 and 344,207.10

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Solution

The fourth proportional to 553,595.34, 764,150.22 and 344,207.10 is: 475,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,595.34 : 764,150.22 = 344,207.10 : x
  2. Step 2: Convert to fraction form
    553,595.34/764,150.22 = 344,207.10/x
  3. Step 3: Cross multiply
    553,595.34x = 764,150.22 × 344,207.10
  4. Step 4: Simplify right side
    553,595.34x = 263,025,931,190.56
  5. Step 5: Solve for x
    x = 263,025,931,190.56/553,595.34
  6. Step 6: Final answer
    x = 475,123.09

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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.