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Finding the Fourth Proportional to 562,040.28, 775,707.40 and 417,804.12

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Solution

The fourth proportional to 562,040.28, 775,707.40 and 417,804.12 is: 576,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,040.28 : 775,707.40 = 417,804.12 : x
  2. Step 2: Convert to fraction form
    562,040.28/775,707.40 = 417,804.12/x
  3. Step 3: Cross multiply
    562,040.28x = 775,707.40 × 417,804.12
  4. Step 4: Simplify right side
    562,040.28x = 324,093,747,634.49
  5. Step 5: Solve for x
    x = 324,093,747,634.49/562,040.28
  6. Step 6: Final answer
    x = 576,637.94

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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.