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Finding the Fourth Proportional to 449,224.30, 619,856.40 and 265,437.30

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Solution

The fourth proportional to 449,224.30, 619,856.40 and 265,437.30 is: 366,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,224.30 : 619,856.40 = 265,437.30 : x
  2. Step 2: Convert to fraction form
    449,224.30/619,856.40 = 265,437.30/x
  3. Step 3: Cross multiply
    449,224.30x = 619,856.40 × 265,437.30
  4. Step 4: Simplify right side
    449,224.30x = 164,533,011,030.49
  5. Step 5: Solve for x
    x = 164,533,011,030.49/449,224.30
  6. Step 6: Final answer
    x = 366,260.27

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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.