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Finding the Fourth Proportional to 701,557.60, 968,159.70 and 395,648.56

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Solution

The fourth proportional to 701,557.60, 968,159.70 and 395,648.56 is: 546,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,557.60 : 968,159.70 = 395,648.56 : x
  2. Step 2: Convert to fraction form
    701,557.60/968,159.70 = 395,648.56/x
  3. Step 3: Cross multiply
    701,557.60x = 968,159.70 × 395,648.56
  4. Step 4: Simplify right side
    701,557.60x = 383,050,991,155.03
  5. Step 5: Solve for x
    x = 383,050,991,155.03/701,557.60
  6. Step 6: Final answer
    x = 546,000.77

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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.