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Finding the Fourth Proportional to 562,860.96, 776,749.44 and 304,740.48

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Solution

The fourth proportional to 562,860.96, 776,749.44 and 304,740.48 is: 420,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,860.96 : 776,749.44 = 304,740.48 : x
  2. Step 2: Convert to fraction form
    562,860.96/776,749.44 = 304,740.48/x
  3. Step 3: Cross multiply
    562,860.96x = 776,749.44 × 304,740.48
  4. Step 4: Simplify right side
    562,860.96x = 236,706,997,185.33
  5. Step 5: Solve for x
    x = 236,706,997,185.33/562,860.96
  6. Step 6: Final answer
    x = 420,542.57

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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.