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Finding the Fourth Proportional to 702,793.52, 1,054,624.05 and 276,254.72

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Solution

The fourth proportional to 702,793.52, 1,054,624.05 and 276,254.72 is: 414,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,793.52 : 1,054,624.05 = 276,254.72 : x
  2. Step 2: Convert to fraction form
    702,793.52/1,054,624.05 = 276,254.72/x
  3. Step 3: Cross multiply
    702,793.52x = 1,054,624.05 × 276,254.72
  4. Step 4: Simplify right side
    702,793.52x = 291,344,871,638.02
  5. Step 5: Solve for x
    x = 291,344,871,638.02/702,793.52
  6. Step 6: Final answer
    x = 414,552.59

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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.