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Finding the Fourth Proportional to 539,855.01, 810,280.65 and 273,802.35

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Solution

The fourth proportional to 539,855.01, 810,280.65 and 273,802.35 is: 410,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,855.01 : 810,280.65 = 273,802.35 : x
  2. Step 2: Convert to fraction form
    539,855.01/810,280.65 = 273,802.35/x
  3. Step 3: Cross multiply
    539,855.01x = 810,280.65 × 273,802.35
  4. Step 4: Simplify right side
    539,855.01x = 221,856,746,129.53
  5. Step 5: Solve for x
    x = 221,856,746,129.53/539,855.01
  6. Step 6: Final answer
    x = 410,956.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.