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Finding the Fourth Proportional to 354,500.55, 531,307.35 and 177,057.09

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Solution

The fourth proportional to 354,500.55, 531,307.35 and 177,057.09 is: 265,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,500.55 : 531,307.35 = 177,057.09 : x
  2. Step 2: Convert to fraction form
    354,500.55/531,307.35 = 177,057.09/x
  3. Step 3: Cross multiply
    354,500.55x = 531,307.35 × 177,057.09
  4. Step 4: Simplify right side
    354,500.55x = 94,071,733,286.61
  5. Step 5: Solve for x
    x = 94,071,733,286.61/354,500.55
  6. Step 6: Final answer
    x = 265,364.14

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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.