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Finding the Fourth Proportional to 631,889.34, 871,746.21 and 441,014.46

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Solution

The fourth proportional to 631,889.34, 871,746.21 and 441,014.46 is: 608,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,889.34 : 871,746.21 = 441,014.46 : x
  2. Step 2: Convert to fraction form
    631,889.34/871,746.21 = 441,014.46/x
  3. Step 3: Cross multiply
    631,889.34x = 871,746.21 × 441,014.46
  4. Step 4: Simplify right side
    631,889.34x = 384,452,684,060.20
  5. Step 5: Solve for x
    x = 384,452,684,060.20/631,889.34
  6. Step 6: Final answer
    x = 608,417.74

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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.