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Finding the Fourth Proportional to 349,201, 481,897.38 and 190,225

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Solution

The fourth proportional to 349,201, 481,897.38 and 190,225 is: 262,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,201 : 481,897.38 = 190,225 : x
  2. Step 2: Convert to fraction form
    349,201/481,897.38 = 190,225/x
  3. Step 3: Cross multiply
    349,201x = 481,897.38 × 190,225
  4. Step 4: Simplify right side
    349,201x = 91,668,929,110.50
  5. Step 5: Solve for x
    x = 91,668,929,110.50/349,201
  6. Step 6: Final answer
    x = 262,510.50

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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.