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Finding the Fourth Proportional to 380,371.98, 570,613.61 and 114,153.54

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Solution

The fourth proportional to 380,371.98, 570,613.61 and 114,153.54 is: 171,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,371.98 : 570,613.61 = 114,153.54 : x
  2. Step 2: Convert to fraction form
    380,371.98/570,613.61 = 114,153.54/x
  3. Step 3: Cross multiply
    380,371.98x = 570,613.61 × 114,153.54
  4. Step 4: Simplify right side
    380,371.98x = 65,137,561,699.26
  5. Step 5: Solve for x
    x = 65,137,561,699.26/380,371.98
  6. Step 6: Final answer
    x = 171,247.00

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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.