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Finding the Fourth Proportional to 595,010.15, 820,911.23 and 380,274.08

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Solution

The fourth proportional to 595,010.15, 820,911.23 and 380,274.08 is: 524,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,010.15 : 820,911.23 = 380,274.08 : x
  2. Step 2: Convert to fraction form
    595,010.15/820,911.23 = 380,274.08/x
  3. Step 3: Cross multiply
    595,010.15x = 820,911.23 × 380,274.08
  4. Step 4: Simplify right side
    595,010.15x = 312,171,264,326.85
  5. Step 5: Solve for x
    x = 312,171,264,326.85/595,010.15
  6. Step 6: Final answer
    x = 524,648.64

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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.