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Finding the Fourth Proportional to 622,384.80, 933,577.20 and 555,462.60

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Solution

The fourth proportional to 622,384.80, 933,577.20 and 555,462.60 is: 833,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,384.80 : 933,577.20 = 555,462.60 : x
  2. Step 2: Convert to fraction form
    622,384.80/933,577.20 = 555,462.60/x
  3. Step 3: Cross multiply
    622,384.80x = 933,577.20 × 555,462.60
  4. Step 4: Simplify right side
    622,384.80x = 518,567,218,812.72
  5. Step 5: Solve for x
    x = 518,567,218,812.72/622,384.80
  6. Step 6: Final answer
    x = 833,193.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.