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Finding the Fourth Proportional to 576,064.90, 864,097.35 and 365,853.70

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Solution

The fourth proportional to 576,064.90, 864,097.35 and 365,853.70 is: 548,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,064.90 : 864,097.35 = 365,853.70 : x
  2. Step 2: Convert to fraction form
    576,064.90/864,097.35 = 365,853.70/x
  3. Step 3: Cross multiply
    576,064.90x = 864,097.35 × 365,853.70
  4. Step 4: Simplify right side
    576,064.90x = 316,133,212,657.70
  5. Step 5: Solve for x
    x = 316,133,212,657.70/576,064.90
  6. Step 6: Final answer
    x = 548,780.55

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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.