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Finding the Fourth Proportional to 349,586.78, 482,466.76 and 213,700.26

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Solution

The fourth proportional to 349,586.78, 482,466.76 and 213,700.26 is: 294,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,586.78 : 482,466.76 = 213,700.26 : x
  2. Step 2: Convert to fraction form
    349,586.78/482,466.76 = 213,700.26/x
  3. Step 3: Cross multiply
    349,586.78x = 482,466.76 × 213,700.26
  4. Step 4: Simplify right side
    349,586.78x = 103,103,272,053.36
  5. Step 5: Solve for x
    x = 103,103,272,053.36/349,586.78
  6. Step 6: Final answer
    x = 294,928.98

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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.