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Finding the Fourth Proportional to 706,211.04, 974,559.60 and 383,929.12

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Solution

The fourth proportional to 706,211.04, 974,559.60 and 383,929.12 is: 529,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,211.04 : 974,559.60 = 383,929.12 : x
  2. Step 2: Convert to fraction form
    706,211.04/974,559.60 = 383,929.12/x
  3. Step 3: Cross multiply
    706,211.04x = 974,559.60 × 383,929.12
  4. Step 4: Simplify right side
    706,211.04x = 374,161,809,615.55
  5. Step 5: Solve for x
    x = 374,161,809,615.55/706,211.04
  6. Step 6: Final answer
    x = 529,815.86

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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.