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Finding the Fourth Proportional to 567,556.42, 782,413.76 and 446,487.28

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Solution

The fourth proportional to 567,556.42, 782,413.76 and 446,487.28 is: 615,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,556.42 : 782,413.76 = 446,487.28 : x
  2. Step 2: Convert to fraction form
    567,556.42/782,413.76 = 446,487.28/x
  3. Step 3: Cross multiply
    567,556.42x = 782,413.76 × 446,487.28
  4. Step 4: Simplify right side
    567,556.42x = 349,337,791,536.97
  5. Step 5: Solve for x
    x = 349,337,791,536.97/567,556.42
  6. Step 6: Final answer
    x = 615,512.01

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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.