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Finding the Fourth Proportional to 302,396.60, 417,280.20 and 175,080.80

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Solution

The fourth proportional to 302,396.60, 417,280.20 and 175,080.80 is: 241,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,396.60 : 417,280.20 = 175,080.80 : x
  2. Step 2: Convert to fraction form
    302,396.60/417,280.20 = 175,080.80/x
  3. Step 3: Cross multiply
    302,396.60x = 417,280.20 × 175,080.80
  4. Step 4: Simplify right side
    302,396.60x = 73,057,751,240.16
  5. Step 5: Solve for x
    x = 73,057,751,240.16/302,396.60
  6. Step 6: Final answer
    x = 241,595.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.