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Finding the Fourth Proportional to 576,674.60, 865,196.98 and 277,176.89

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Solution

The fourth proportional to 576,674.60, 865,196.98 and 277,176.89 is: 415,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,674.60 : 865,196.98 = 277,176.89 : x
  2. Step 2: Convert to fraction form
    576,674.60/865,196.98 = 277,176.89/x
  3. Step 3: Cross multiply
    576,674.60x = 865,196.98 × 277,176.89
  4. Step 4: Simplify right side
    576,674.60x = 239,812,609,623.84
  5. Step 5: Solve for x
    x = 239,812,609,623.84/576,674.60
  6. Step 6: Final answer
    x = 415,854.30

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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.