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Finding the Fourth Proportional to 860,761.92, 1,187,804.34 and 473,570.04

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Solution

The fourth proportional to 860,761.92, 1,187,804.34 and 473,570.04 is: 653,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,761.92 : 1,187,804.34 = 473,570.04 : x
  2. Step 2: Convert to fraction form
    860,761.92/1,187,804.34 = 473,570.04/x
  3. Step 3: Cross multiply
    860,761.92x = 1,187,804.34 × 473,570.04
  4. Step 4: Simplify right side
    860,761.92x = 562,508,548,805.97
  5. Step 5: Solve for x
    x = 562,508,548,805.97/860,761.92
  6. Step 6: Final answer
    x = 653,500.74

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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.