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Finding the Fourth Proportional to 357,429.60, 535,399.20 and 168,051.60

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Solution

The fourth proportional to 357,429.60, 535,399.20 and 168,051.60 is: 251,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,429.60 : 535,399.20 = 168,051.60 : x
  2. Step 2: Convert to fraction form
    357,429.60/535,399.20 = 168,051.60/x
  3. Step 3: Cross multiply
    357,429.60x = 535,399.20 × 168,051.60
  4. Step 4: Simplify right side
    357,429.60x = 89,974,692,198.72
  5. Step 5: Solve for x
    x = 89,974,692,198.72/357,429.60
  6. Step 6: Final answer
    x = 251,727.03

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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.