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Finding the Fourth Proportional to 368,271.41, 508,284.42 and 230,514.26

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Solution

The fourth proportional to 368,271.41, 508,284.42 and 230,514.26 is: 318,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,271.41 : 508,284.42 = 230,514.26 : x
  2. Step 2: Convert to fraction form
    368,271.41/508,284.42 = 230,514.26/x
  3. Step 3: Cross multiply
    368,271.41x = 508,284.42 × 230,514.26
  4. Step 4: Simplify right side
    368,271.41x = 117,166,806,945.83
  5. Step 5: Solve for x
    x = 117,166,806,945.83/368,271.41
  6. Step 6: Final answer
    x = 318,153.42

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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.