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Finding the Fourth Proportional to 525,573.81, 787,861.91 and 170,338.17

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Solution

The fourth proportional to 525,573.81, 787,861.91 and 170,338.17 is: 255,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,573.81 : 787,861.91 = 170,338.17 : x
  2. Step 2: Convert to fraction form
    525,573.81/787,861.91 = 170,338.17/x
  3. Step 3: Cross multiply
    525,573.81x = 787,861.91 × 170,338.17
  4. Step 4: Simplify right side
    525,573.81x = 134,202,955,110.41
  5. Step 5: Solve for x
    x = 134,202,955,110.41/525,573.81
  6. Step 6: Final answer
    x = 255,345.59

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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.