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Finding the Fourth Proportional to 517,125.44, 713,131.62 and 345,050.39

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Solution

The fourth proportional to 517,125.44, 713,131.62 and 345,050.39 is: 475,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,125.44 : 713,131.62 = 345,050.39 : x
  2. Step 2: Convert to fraction form
    517,125.44/713,131.62 = 345,050.39/x
  3. Step 3: Cross multiply
    517,125.44x = 713,131.62 × 345,050.39
  4. Step 4: Simplify right side
    517,125.44x = 246,066,343,602.33
  5. Step 5: Solve for x
    x = 246,066,343,602.33/517,125.44
  6. Step 6: Final answer
    x = 475,834.92

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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.