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Finding the Fourth Proportional to 1,293,267.03, 1,784,707.29 and 749,717.52

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Solution

The fourth proportional to 1,293,267.03, 1,784,707.29 and 749,717.52 is: 1,034,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,267.03 : 1,784,707.29 = 749,717.52 : x
  2. Step 2: Convert to fraction form
    1,293,267.03/1,784,707.29 = 749,717.52/x
  3. Step 3: Cross multiply
    1,293,267.03x = 1,784,707.29 × 749,717.52
  4. Step 4: Simplify right side
    1,293,267.03x = 1,338,026,323,384.72
  5. Step 5: Solve for x
    x = 1,338,026,323,384.72/1,293,267.03
  6. Step 6: Final answer
    x = 1,034,609.48

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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.