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Finding the Fourth Proportional to 483,415.36, 667,174.71 and 292,430.12

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Solution

The fourth proportional to 483,415.36, 667,174.71 and 292,430.12 is: 403,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,415.36 : 667,174.71 = 292,430.12 : x
  2. Step 2: Convert to fraction form
    483,415.36/667,174.71 = 292,430.12/x
  3. Step 3: Cross multiply
    483,415.36x = 667,174.71 × 292,430.12
  4. Step 4: Simplify right side
    483,415.36x = 195,101,980,506.27
  5. Step 5: Solve for x
    x = 195,101,980,506.27/483,415.36
  6. Step 6: Final answer
    x = 403,590.78

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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.