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Finding the Fourth Proportional to 1,680,762, 2,521,164.84 and 558,831

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Solution

The fourth proportional to 1,680,762, 2,521,164.84 and 558,831 is: 838,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,762 : 2,521,164.84 = 558,831 : x
  2. Step 2: Convert to fraction form
    1,680,762/2,521,164.84 = 558,831/x
  3. Step 3: Cross multiply
    1,680,762x = 2,521,164.84 × 558,831
  4. Step 4: Simplify right side
    1,680,762x = 1,408,905,068,702.04
  5. Step 5: Solve for x
    x = 1,408,905,068,702.04/1,680,762
  6. Step 6: Final answer
    x = 838,253.76

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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.