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Finding the Fourth Proportional to 978,470.94, 1,350,437.49 and 596,719.17

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Solution

The fourth proportional to 978,470.94, 1,350,437.49 and 596,719.17 is: 823,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,470.94 : 1,350,437.49 = 596,719.17 : x
  2. Step 2: Convert to fraction form
    978,470.94/1,350,437.49 = 596,719.17/x
  3. Step 3: Cross multiply
    978,470.94x = 1,350,437.49 × 596,719.17
  4. Step 4: Simplify right side
    978,470.94x = 805,831,938,169.68
  5. Step 5: Solve for x
    x = 805,831,938,169.68/978,470.94
  6. Step 6: Final answer
    x = 823,562.46

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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.