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Finding the Fourth Proportional to 525,010.30, 787,612.65 and 170,035.90

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Solution

The fourth proportional to 525,010.30, 787,612.65 and 170,035.90 is: 255,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,010.30 : 787,612.65 = 170,035.90 : x
  2. Step 2: Convert to fraction form
    525,010.30/787,612.65 = 170,035.90/x
  3. Step 3: Cross multiply
    525,010.30x = 787,612.65 × 170,035.90
  4. Step 4: Simplify right side
    525,010.30x = 133,922,425,794.14
  5. Step 5: Solve for x
    x = 133,922,425,794.14/525,010.30
  6. Step 6: Final answer
    x = 255,085.33

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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.