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Finding the Fourth Proportional to 562,698.85, 776,524.42 and 308,050.04

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Solution

The fourth proportional to 562,698.85, 776,524.42 and 308,050.04 is: 425,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,698.85 : 776,524.42 = 308,050.04 : x
  2. Step 2: Convert to fraction form
    562,698.85/776,524.42 = 308,050.04/x
  3. Step 3: Cross multiply
    562,698.85x = 776,524.42 × 308,050.04
  4. Step 4: Simplify right side
    562,698.85x = 239,208,376,600.40
  5. Step 5: Solve for x
    x = 239,208,376,600.40/562,698.85
  6. Step 6: Final answer
    x = 425,109.06

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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.