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Finding the Fourth Proportional to 340,759.06, 470,250.76 and 187,802.80

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Solution

The fourth proportional to 340,759.06, 470,250.76 and 187,802.80 is: 259,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,759.06 : 470,250.76 = 187,802.80 : x
  2. Step 2: Convert to fraction form
    340,759.06/470,250.76 = 187,802.80/x
  3. Step 3: Cross multiply
    340,759.06x = 470,250.76 × 187,802.80
  4. Step 4: Simplify right side
    340,759.06x = 88,314,409,430.13
  5. Step 5: Solve for x
    x = 88,314,409,430.13/340,759.06
  6. Step 6: Final answer
    x = 259,169.66

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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.