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Finding the Fourth Proportional to 659,679.76, 909,953.04 and 582,952.60

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Solution

The fourth proportional to 659,679.76, 909,953.04 and 582,952.60 is: 804,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,679.76 : 909,953.04 = 582,952.60 : x
  2. Step 2: Convert to fraction form
    659,679.76/909,953.04 = 582,952.60/x
  3. Step 3: Cross multiply
    659,679.76x = 909,953.04 × 582,952.60
  4. Step 4: Simplify right side
    659,679.76x = 530,459,490,545.90
  5. Step 5: Solve for x
    x = 530,459,490,545.90/659,679.76
  6. Step 6: Final answer
    x = 804,116.67

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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.