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Finding the Fourth Proportional to 357,741.60, 536,606.88 and 91,499.76

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Solution

The fourth proportional to 357,741.60, 536,606.88 and 91,499.76 is: 137,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,741.60 : 536,606.88 = 91,499.76 : x
  2. Step 2: Convert to fraction form
    357,741.60/536,606.88 = 91,499.76/x
  3. Step 3: Cross multiply
    357,741.60x = 536,606.88 × 91,499.76
  4. Step 4: Simplify right side
    357,741.60x = 49,099,400,734.35
  5. Step 5: Solve for x
    x = 49,099,400,734.35/357,741.60
  6. Step 6: Final answer
    x = 137,248.23

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1.5x scale

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.