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Finding the Fourth Proportional to 302,407.40, 417,297.75 and 175,091.06

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Solution

The fourth proportional to 302,407.40, 417,297.75 and 175,091.06 is: 241,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,407.40 : 417,297.75 = 175,091.06 : x
  2. Step 2: Convert to fraction form
    302,407.40/417,297.75 = 175,091.06/x
  3. Step 3: Cross multiply
    302,407.40x = 417,297.75 × 175,091.06
  4. Step 4: Simplify right side
    302,407.40x = 73,065,105,383.12
  5. Step 5: Solve for x
    x = 73,065,105,383.12/302,407.40
  6. Step 6: Final answer
    x = 241,611.50

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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.