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Finding the Fourth Proportional to 302,555, 417,525.90 and 175,271.60

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Solution

The fourth proportional to 302,555, 417,525.90 and 175,271.60 is: 241,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,555 : 417,525.90 = 175,271.60 : x
  2. Step 2: Convert to fraction form
    302,555/417,525.90 = 175,271.60/x
  3. Step 3: Cross multiply
    302,555x = 417,525.90 × 175,271.60
  4. Step 4: Simplify right side
    302,555x = 73,180,432,534.44
  5. Step 5: Solve for x
    x = 73,180,432,534.44/302,555
  6. Step 6: Final answer
    x = 241,874.81

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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.