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Finding the Fourth Proportional to 562,767.18, 776,692.62 and 320,994.24

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Solution

The fourth proportional to 562,767.18, 776,692.62 and 320,994.24 is: 443,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,767.18 : 776,692.62 = 320,994.24 : x
  2. Step 2: Convert to fraction form
    562,767.18/776,692.62 = 320,994.24/x
  3. Step 3: Cross multiply
    562,767.18x = 776,692.62 × 320,994.24
  4. Step 4: Simplify right side
    562,767.18x = 249,313,857,270.51
  5. Step 5: Solve for x
    x = 249,313,857,270.51/562,767.18
  6. Step 6: Final answer
    x = 443,014.21

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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.