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Finding the Fourth Proportional to 595,061.80, 820,910.02 and 353,206.60

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Solution

The fourth proportional to 595,061.80, 820,910.02 and 353,206.60 is: 487,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,061.80 : 820,910.02 = 353,206.60 : x
  2. Step 2: Convert to fraction form
    595,061.80/820,910.02 = 353,206.60/x
  3. Step 3: Cross multiply
    595,061.80x = 820,910.02 × 353,206.60
  4. Step 4: Simplify right side
    595,061.80x = 289,950,837,070.13
  5. Step 5: Solve for x
    x = 289,950,837,070.13/595,061.80
  6. Step 6: Final answer
    x = 487,261.72

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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.