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Finding the Fourth Proportional to 1,760,775, 2,642,063.28 and 838,575

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Solution

The fourth proportional to 1,760,775, 2,642,063.28 and 838,575 is: 1,258,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,775 : 2,642,063.28 = 838,575 : x
  2. Step 2: Convert to fraction form
    1,760,775/2,642,063.28 = 838,575/x
  3. Step 3: Cross multiply
    1,760,775x = 2,642,063.28 × 838,575
  4. Step 4: Simplify right side
    1,760,775x = 2,215,568,215,026
  5. Step 5: Solve for x
    x = 2,215,568,215,026/1,760,775
  6. Step 6: Final answer
    x = 1,258,291.50

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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.