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Finding the Fourth Proportional to 706,168.63, 974,501.23 and 383,886.84

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Solution

The fourth proportional to 706,168.63, 974,501.23 and 383,886.84 is: 529,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,168.63 : 974,501.23 = 383,886.84 : x
  2. Step 2: Convert to fraction form
    706,168.63/974,501.23 = 383,886.84/x
  3. Step 3: Cross multiply
    706,168.63x = 974,501.23 × 383,886.84
  4. Step 4: Simplify right side
    706,168.63x = 374,098,201,175.26
  5. Step 5: Solve for x
    x = 374,098,201,175.26/706,168.63
  6. Step 6: Final answer
    x = 529,757.60

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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.