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Finding the Fourth Proportional to 474,418.44, 654,911.46 and 302,567.22

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Solution

The fourth proportional to 474,418.44, 654,911.46 and 302,567.22 is: 417,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,418.44 : 654,911.46 = 302,567.22 : x
  2. Step 2: Convert to fraction form
    474,418.44/654,911.46 = 302,567.22/x
  3. Step 3: Cross multiply
    474,418.44x = 654,911.46 × 302,567.22
  4. Step 4: Simplify right side
    474,418.44x = 198,154,739,798.34
  5. Step 5: Solve for x
    x = 198,154,739,798.34/474,418.44
  6. Step 6: Final answer
    x = 417,679.25

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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.