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Finding the Fourth Proportional to 302,406.60, 417,294 and 175,090.80

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Solution

The fourth proportional to 302,406.60, 417,294 and 175,090.80 is: 241,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,406.60 : 417,294 = 175,090.80 : x
  2. Step 2: Convert to fraction form
    302,406.60/417,294 = 175,090.80/x
  3. Step 3: Cross multiply
    302,406.60x = 417,294 × 175,090.80
  4. Step 4: Simplify right side
    302,406.60x = 73,064,340,295.20
  5. Step 5: Solve for x
    x = 73,064,340,295.20/302,406.60
  6. Step 6: Final answer
    x = 241,609.61

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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.