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Finding the Fourth Proportional to 595,594.31, 821,504.48 and 391,580.01

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Solution

The fourth proportional to 595,594.31, 821,504.48 and 391,580.01 is: 540,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,594.31 : 821,504.48 = 391,580.01 : x
  2. Step 2: Convert to fraction form
    595,594.31/821,504.48 = 391,580.01/x
  3. Step 3: Cross multiply
    595,594.31x = 821,504.48 × 391,580.01
  4. Step 4: Simplify right side
    595,594.31x = 321,684,730,535.55
  5. Step 5: Solve for x
    x = 321,684,730,535.55/595,594.31
  6. Step 6: Final answer
    x = 540,107.13

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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.