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Finding the Fourth Proportional to 567,571.98, 783,254.64 and 312,932.28

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Solution

The fourth proportional to 567,571.98, 783,254.64 and 312,932.28 is: 431,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,571.98 : 783,254.64 = 312,932.28 : x
  2. Step 2: Convert to fraction form
    567,571.98/783,254.64 = 312,932.28/x
  3. Step 3: Cross multiply
    567,571.98x = 783,254.64 × 312,932.28
  4. Step 4: Simplify right side
    567,571.98x = 245,105,660,315.78
  5. Step 5: Solve for x
    x = 245,105,660,315.78/567,571.98
  6. Step 6: Final answer
    x = 431,849.47

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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.