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Finding the Fourth Proportional to 575,329.17, 863,289.45 and 441,254.55

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Solution

The fourth proportional to 575,329.17, 863,289.45 and 441,254.55 is: 662,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,329.17 : 863,289.45 = 441,254.55 : x
  2. Step 2: Convert to fraction form
    575,329.17/863,289.45 = 441,254.55/x
  3. Step 3: Cross multiply
    575,329.17x = 863,289.45 × 441,254.55
  4. Step 4: Simplify right side
    575,329.17x = 380,930,397,779.50
  5. Step 5: Solve for x
    x = 380,930,397,779.50/575,329.17
  6. Step 6: Final answer
    x = 662,108.61

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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.