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Finding the Fourth Proportional to 601,065.60, 901,390.84 and 174,485.78

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Solution

The fourth proportional to 601,065.60, 901,390.84 and 174,485.78 is: 261,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,065.60 : 901,390.84 = 174,485.78 : x
  2. Step 2: Convert to fraction form
    601,065.60/901,390.84 = 174,485.78/x
  3. Step 3: Cross multiply
    601,065.60x = 901,390.84 × 174,485.78
  4. Step 4: Simplify right side
    601,065.60x = 157,279,882,929.83
  5. Step 5: Solve for x
    x = 157,279,882,929.83/601,065.60
  6. Step 6: Final answer
    x = 261,668.42

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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.