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Finding the Fourth Proportional to 575,679.60, 863,584.20 and 176,317.20

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Solution

The fourth proportional to 575,679.60, 863,584.20 and 176,317.20 is: 264,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,679.60 : 863,584.20 = 176,317.20 : x
  2. Step 2: Convert to fraction form
    575,679.60/863,584.20 = 176,317.20/x
  3. Step 3: Cross multiply
    575,679.60x = 863,584.20 × 176,317.20
  4. Step 4: Simplify right side
    575,679.60x = 152,264,748,108.24
  5. Step 5: Solve for x
    x = 152,264,748,108.24/575,679.60
  6. Step 6: Final answer
    x = 264,495.65

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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.