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Finding the Fourth Proportional to 706,184.48, 974,523.09 and 383,902.69

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Solution

The fourth proportional to 706,184.48, 974,523.09 and 383,902.69 is: 529,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,184.48 : 974,523.09 = 383,902.69 : x
  2. Step 2: Convert to fraction form
    706,184.48/974,523.09 = 383,902.69/x
  3. Step 3: Cross multiply
    706,184.48x = 974,523.09 × 383,902.69
  4. Step 4: Simplify right side
    706,184.48x = 374,122,033,281.80
  5. Step 5: Solve for x
    x = 374,122,033,281.80/706,184.48
  6. Step 6: Final answer
    x = 529,779.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.