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Finding the Fourth Proportional to 525,203.27, 787,639.66 and 170,134.91

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Solution

The fourth proportional to 525,203.27, 787,639.66 and 170,134.91 is: 255,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,203.27 : 787,639.66 = 170,134.91 : x
  2. Step 2: Convert to fraction form
    525,203.27/787,639.66 = 170,134.91/x
  3. Step 3: Cross multiply
    525,203.27x = 787,639.66 × 170,134.91
  4. Step 4: Simplify right side
    525,203.27x = 134,004,998,303.00
  5. Step 5: Solve for x
    x = 134,004,998,303.00/525,203.27
  6. Step 6: Final answer
    x = 255,148.83

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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.