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Finding the Fourth Proportional to 562,851.19, 776,734.89 and 304,728.13

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Solution

The fourth proportional to 562,851.19, 776,734.89 and 304,728.13 is: 420,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,851.19 : 776,734.89 = 304,728.13 : x
  2. Step 2: Convert to fraction form
    562,851.19/776,734.89 = 304,728.13/x
  3. Step 3: Cross multiply
    562,851.19x = 776,734.89 × 304,728.13
  4. Step 4: Simplify right side
    562,851.19x = 236,692,970,535.46
  5. Step 5: Solve for x
    x = 236,692,970,535.46/562,851.19
  6. Step 6: Final answer
    x = 420,524.96

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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.