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Finding the Fourth Proportional to 875,252.70, 1,312,879.05 and 744,032.70

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Solution

The fourth proportional to 875,252.70, 1,312,879.05 and 744,032.70 is: 1,116,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,252.70 : 1,312,879.05 = 744,032.70 : x
  2. Step 2: Convert to fraction form
    875,252.70/1,312,879.05 = 744,032.70/x
  3. Step 3: Cross multiply
    875,252.70x = 1,312,879.05 × 744,032.70
  4. Step 4: Simplify right side
    875,252.70x = 976,824,944,344.94
  5. Step 5: Solve for x
    x = 976,824,944,344.94/875,252.70
  6. Step 6: Final answer
    x = 1,116,049.05

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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.