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Finding the Fourth Proportional to 575,374.15, 863,352.75 and 383,379.82

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Solution

The fourth proportional to 575,374.15, 863,352.75 and 383,379.82 is: 575,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,374.15 : 863,352.75 = 383,379.82 : x
  2. Step 2: Convert to fraction form
    575,374.15/863,352.75 = 383,379.82/x
  3. Step 3: Cross multiply
    575,374.15x = 863,352.75 × 383,379.82
  4. Step 4: Simplify right side
    575,374.15x = 330,992,021,891.51
  5. Step 5: Solve for x
    x = 330,992,021,891.51/575,374.15
  6. Step 6: Final answer
    x = 575,263.98

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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.