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Finding the Fourth Proportional to 619,063.32, 928,596.30 and 169,790.60

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Solution

The fourth proportional to 619,063.32, 928,596.30 and 169,790.60 is: 254,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,063.32 : 928,596.30 = 169,790.60 : x
  2. Step 2: Convert to fraction form
    619,063.32/928,596.30 = 169,790.60/x
  3. Step 3: Cross multiply
    619,063.32x = 928,596.30 × 169,790.60
  4. Step 4: Simplify right side
    619,063.32x = 157,666,922,934.78
  5. Step 5: Solve for x
    x = 157,666,922,934.78/619,063.32
  6. Step 6: Final answer
    x = 254,686.26

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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.