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Finding the Fourth Proportional to 595,203.87, 821,253.54 and 353,567.91

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Solution

The fourth proportional to 595,203.87, 821,253.54 and 353,567.91 is: 487,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,203.87 : 821,253.54 = 353,567.91 : x
  2. Step 2: Convert to fraction form
    595,203.87/821,253.54 = 353,567.91/x
  3. Step 3: Cross multiply
    595,203.87x = 821,253.54 × 353,567.91
  4. Step 4: Simplify right side
    595,203.87x = 290,368,897,717.90
  5. Step 5: Solve for x
    x = 290,368,897,717.90/595,203.87
  6. Step 6: Final answer
    x = 487,847.80

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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.