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Finding the Fourth Proportional to 1,748,801.92, 2,621,233.68 and 893,480.80

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Solution

The fourth proportional to 1,748,801.92, 2,621,233.68 and 893,480.80 is: 1,339,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,801.92 : 2,621,233.68 = 893,480.80 : x
  2. Step 2: Convert to fraction form
    1,748,801.92/2,621,233.68 = 893,480.80/x
  3. Step 3: Cross multiply
    1,748,801.92x = 2,621,233.68 × 893,480.80
  4. Step 4: Simplify right side
    1,748,801.92x = 2,342,021,965,393.34
  5. Step 5: Solve for x
    x = 2,342,021,965,393.34/1,748,801.92
  6. Step 6: Final answer
    x = 1,339,215.12

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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.