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Finding the Fourth Proportional to 567,652.06, 783,357.51 and 313,007.50

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Solution

The fourth proportional to 567,652.06, 783,357.51 and 313,007.50 is: 431,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,652.06 : 783,357.51 = 313,007.50 : x
  2. Step 2: Convert to fraction form
    567,652.06/783,357.51 = 313,007.50/x
  3. Step 3: Cross multiply
    567,652.06x = 783,357.51 × 313,007.50
  4. Step 4: Simplify right side
    567,652.06x = 245,196,775,811.33
  5. Step 5: Solve for x
    x = 245,196,775,811.33/567,652.06
  6. Step 6: Final answer
    x = 431,949.06

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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.