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Finding the Fourth Proportional to 1,001,751, 1,382,503.92 and 549,129.48

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Solution

The fourth proportional to 1,001,751, 1,382,503.92 and 549,129.48 is: 757,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,751 : 1,382,503.92 = 549,129.48 : x
  2. Step 2: Convert to fraction form
    1,001,751/1,382,503.92 = 549,129.48/x
  3. Step 3: Cross multiply
    1,001,751x = 1,382,503.92 × 549,129.48
  4. Step 4: Simplify right side
    1,001,751x = 759,173,658,687.56
  5. Step 5: Solve for x
    x = 759,173,658,687.56/1,001,751
  6. Step 6: Final answer
    x = 757,846.67

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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.