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Finding the Fourth Proportional to 1,680,768, 2,521,173.96 and 558,837

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Solution

The fourth proportional to 1,680,768, 2,521,173.96 and 558,837 is: 838,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,768 : 2,521,173.96 = 558,837 : x
  2. Step 2: Convert to fraction form
    1,680,768/2,521,173.96 = 558,837/x
  3. Step 3: Cross multiply
    1,680,768x = 2,521,173.96 × 558,837
  4. Step 4: Simplify right side
    1,680,768x = 1,408,925,292,284.52
  5. Step 5: Solve for x
    x = 1,408,925,292,284.52/1,680,768
  6. Step 6: Final answer
    x = 838,262.80

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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.