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Finding the Fourth Proportional to 575,577.60, 863,755.20 and 375,410.40

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Solution

The fourth proportional to 575,577.60, 863,755.20 and 375,410.40 is: 563,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,577.60 : 863,755.20 = 375,410.40 : x
  2. Step 2: Convert to fraction form
    575,577.60/863,755.20 = 375,410.40/x
  3. Step 3: Cross multiply
    575,577.60x = 863,755.20 × 375,410.40
  4. Step 4: Simplify right side
    575,577.60x = 324,262,685,134.08
  5. Step 5: Solve for x
    x = 324,262,685,134.08/575,577.60
  6. Step 6: Final answer
    x = 563,369.19

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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.