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Finding the Fourth Proportional to 607,529.30, 910,856.55 and 341,371.40

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Solution

The fourth proportional to 607,529.30, 910,856.55 and 341,371.40 is: 511,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,529.30 : 910,856.55 = 341,371.40 : x
  2. Step 2: Convert to fraction form
    607,529.30/910,856.55 = 341,371.40/x
  3. Step 3: Cross multiply
    607,529.30x = 910,856.55 × 341,371.40
  4. Step 4: Simplify right side
    607,529.30x = 310,940,375,672.67
  5. Step 5: Solve for x
    x = 310,940,375,672.67/607,529.30
  6. Step 6: Final answer
    x = 511,811.32

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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.