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Finding the Fourth Proportional to 650,706.66, 898,026.46 and 479,407.86

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Solution

The fourth proportional to 650,706.66, 898,026.46 and 479,407.86 is: 661,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,706.66 : 898,026.46 = 479,407.86 : x
  2. Step 2: Convert to fraction form
    650,706.66/898,026.46 = 479,407.86/x
  3. Step 3: Cross multiply
    650,706.66x = 898,026.46 × 479,407.86
  4. Step 4: Simplify right side
    650,706.66x = 430,520,943,411.98
  5. Step 5: Solve for x
    x = 430,520,943,411.98/650,706.66
  6. Step 6: Final answer
    x = 661,620.62

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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.