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Finding the Fourth Proportional to 581,677.72, 802,763.71 and 323,603.28

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Solution

The fourth proportional to 581,677.72, 802,763.71 and 323,603.28 is: 446,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,677.72 : 802,763.71 = 323,603.28 : x
  2. Step 2: Convert to fraction form
    581,677.72/802,763.71 = 323,603.28/x
  3. Step 3: Cross multiply
    581,677.72x = 802,763.71 × 323,603.28
  4. Step 4: Simplify right side
    581,677.72x = 259,776,968,811.96
  5. Step 5: Solve for x
    x = 259,776,968,811.96/581,677.72
  6. Step 6: Final answer
    x = 446,599.48

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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.