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Finding the Fourth Proportional to 598,479.63, 825,154.88 and 383,265.87

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Solution

The fourth proportional to 598,479.63, 825,154.88 and 383,265.87 is: 528,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,479.63 : 825,154.88 = 383,265.87 : x
  2. Step 2: Convert to fraction form
    598,479.63/825,154.88 = 383,265.87/x
  3. Step 3: Cross multiply
    598,479.63x = 825,154.88 × 383,265.87
  4. Step 4: Simplify right side
    598,479.63x = 316,253,701,051.62
  5. Step 5: Solve for x
    x = 316,253,701,051.62/598,479.63
  6. Step 6: Final answer
    x = 528,428.51

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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.