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Finding the Fourth Proportional to 317,984.60, 476,102.10 and 302,238.20

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Solution

The fourth proportional to 317,984.60, 476,102.10 and 302,238.20 is: 452,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,984.60 : 476,102.10 = 302,238.20 : x
  2. Step 2: Convert to fraction form
    317,984.60/476,102.10 = 302,238.20/x
  3. Step 3: Cross multiply
    317,984.60x = 476,102.10 × 302,238.20
  4. Step 4: Simplify right side
    317,984.60x = 143,896,241,720.22
  5. Step 5: Solve for x
    x = 143,896,241,720.22/317,984.60
  6. Step 6: Final answer
    x = 452,525.82

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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.