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Finding the Fourth Proportional to 483,361.60, 667,281.60 and 302,174.40

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Solution

The fourth proportional to 483,361.60, 667,281.60 and 302,174.40 is: 417,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,361.60 : 667,281.60 = 302,174.40 : x
  2. Step 2: Convert to fraction form
    483,361.60/667,281.60 = 302,174.40/x
  3. Step 3: Cross multiply
    483,361.60x = 667,281.60 × 302,174.40
  4. Step 4: Simplify right side
    483,361.60x = 201,635,417,111.04
  5. Step 5: Solve for x
    x = 201,635,417,111.04/483,361.60
  6. Step 6: Final answer
    x = 417,152.33

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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.