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Finding the Fourth Proportional to 860,633.64, 1,187,674.44 and 473,454.44

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Solution

The fourth proportional to 860,633.64, 1,187,674.44 and 473,454.44 is: 653,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,633.64 : 1,187,674.44 = 473,454.44 : x
  2. Step 2: Convert to fraction form
    860,633.64/1,187,674.44 = 473,454.44/x
  3. Step 3: Cross multiply
    860,633.64x = 1,187,674.44 × 473,454.44
  4. Step 4: Simplify right side
    860,633.64x = 562,309,736,892.51
  5. Step 5: Solve for x
    x = 562,309,736,892.51/860,633.64
  6. Step 6: Final answer
    x = 653,367.14

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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.