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Finding the Fourth Proportional to 227,314.10, 340,971.15 and 185,323.70

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Solution

The fourth proportional to 227,314.10, 340,971.15 and 185,323.70 is: 277,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,314.10 : 340,971.15 = 185,323.70 : x
  2. Step 2: Convert to fraction form
    227,314.10/340,971.15 = 185,323.70/x
  3. Step 3: Cross multiply
    227,314.10x = 340,971.15 × 185,323.70
  4. Step 4: Simplify right side
    227,314.10x = 63,190,035,111.26
  5. Step 5: Solve for x
    x = 63,190,035,111.26/227,314.10
  6. Step 6: Final answer
    x = 277,985.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.