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Finding the Fourth Proportional to 207,339.86, 311,009.24 and 57,580.22

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Solution

The fourth proportional to 207,339.86, 311,009.24 and 57,580.22 is: 86,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,339.86 : 311,009.24 = 57,580.22 : x
  2. Step 2: Convert to fraction form
    207,339.86/311,009.24 = 57,580.22/x
  3. Step 3: Cross multiply
    207,339.86x = 311,009.24 × 57,580.22
  4. Step 4: Simplify right side
    207,339.86x = 17,907,980,461.23
  5. Step 5: Solve for x
    x = 17,907,980,461.23/207,339.86
  6. Step 6: Final answer
    x = 86,370.18

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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.