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Finding the Fourth Proportional to 562,518.90, 776,278.12 and 304,395.82

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Solution

The fourth proportional to 562,518.90, 776,278.12 and 304,395.82 is: 420,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,518.90 : 776,278.12 = 304,395.82 : x
  2. Step 2: Convert to fraction form
    562,518.90/776,278.12 = 304,395.82/x
  3. Step 3: Cross multiply
    562,518.90x = 776,278.12 × 304,395.82
  4. Step 4: Simplify right side
    562,518.90x = 236,295,814,885.46
  5. Step 5: Solve for x
    x = 236,295,814,885.46/562,518.90
  6. Step 6: Final answer
    x = 420,067.33

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1.5x scale

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.