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Finding the Fourth Proportional to 575,364.15, 863,337.74 and 383,369.81

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Solution

The fourth proportional to 575,364.15, 863,337.74 and 383,369.81 is: 575,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,364.15 : 863,337.74 = 383,369.81 : x
  2. Step 2: Convert to fraction form
    575,364.15/863,337.74 = 383,369.81/x
  3. Step 3: Cross multiply
    575,364.15x = 863,337.74 × 383,369.81
  4. Step 4: Simplify right side
    575,364.15x = 330,977,619,116.09
  5. Step 5: Solve for x
    x = 330,977,619,116.09/575,364.15
  6. Step 6: Final answer
    x = 575,248.94

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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.