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Finding the Fourth Proportional to 598,478.13, 825,152.81 and 383,264.37

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Solution

The fourth proportional to 598,478.13, 825,152.81 and 383,264.37 is: 528,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,478.13 : 825,152.81 = 383,264.37 : x
  2. Step 2: Convert to fraction form
    598,478.13/825,152.81 = 383,264.37/x
  3. Step 3: Cross multiply
    598,478.13x = 825,152.81 × 383,264.37
  4. Step 4: Simplify right side
    598,478.13x = 316,251,669,962.06
  5. Step 5: Solve for x
    x = 316,251,669,962.06/598,478.13
  6. Step 6: Final answer
    x = 528,426.44

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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.