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Finding the Fourth Proportional to 562,040.83, 775,597.12 and 320,401.27

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Solution

The fourth proportional to 562,040.83, 775,597.12 and 320,401.27 is: 442,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,040.83 : 775,597.12 = 320,401.27 : x
  2. Step 2: Convert to fraction form
    562,040.83/775,597.12 = 320,401.27/x
  3. Step 3: Cross multiply
    562,040.83x = 775,597.12 × 320,401.27
  4. Step 4: Simplify right side
    562,040.83x = 248,502,304,227.09
  5. Step 5: Solve for x
    x = 248,502,304,227.09/562,040.83
  6. Step 6: Final answer
    x = 442,142.80

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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.