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Finding the Fourth Proportional to 369,909.03, 510,423.25 and 206,545.60

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Solution

The fourth proportional to 369,909.03, 510,423.25 and 206,545.60 is: 285,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,909.03 : 510,423.25 = 206,545.60 : x
  2. Step 2: Convert to fraction form
    369,909.03/510,423.25 = 206,545.60/x
  3. Step 3: Cross multiply
    369,909.03x = 510,423.25 × 206,545.60
  4. Step 4: Simplify right side
    369,909.03x = 105,425,673,482.10
  5. Step 5: Solve for x
    x = 105,425,673,482.10/369,909.03
  6. Step 6: Final answer
    x = 285,004.33

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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.