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Finding the Fourth Proportional to 577,084.62, 865,641.72 and 273,407.68

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Solution

The fourth proportional to 577,084.62, 865,641.72 and 273,407.68 is: 410,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,084.62 : 865,641.72 = 273,407.68 : x
  2. Step 2: Convert to fraction form
    577,084.62/865,641.72 = 273,407.68/x
  3. Step 3: Cross multiply
    577,084.62x = 865,641.72 × 273,407.68
  4. Step 4: Simplify right side
    577,084.62x = 236,673,090,048.20
  5. Step 5: Solve for x
    x = 236,673,090,048.20/577,084.62
  6. Step 6: Final answer
    x = 410,118.52

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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.