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Finding the Fourth Proportional to 340,897.40, 470,441.67 and 187,941.18

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Solution

The fourth proportional to 340,897.40, 470,441.67 and 187,941.18 is: 259,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,897.40 : 470,441.67 = 187,941.18 : x
  2. Step 2: Convert to fraction form
    340,897.40/470,441.67 = 187,941.18/x
  3. Step 3: Cross multiply
    340,897.40x = 470,441.67 × 187,941.18
  4. Step 4: Simplify right side
    340,897.40x = 88,415,362,580.97
  5. Step 5: Solve for x
    x = 88,415,362,580.97/340,897.40
  6. Step 6: Final answer
    x = 259,360.63

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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.