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Finding the Fourth Proportional to 569,442.80, 854,164.20 and 360,009.20

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Solution

The fourth proportional to 569,442.80, 854,164.20 and 360,009.20 is: 540,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,442.80 : 854,164.20 = 360,009.20 : x
  2. Step 2: Convert to fraction form
    569,442.80/854,164.20 = 360,009.20/x
  3. Step 3: Cross multiply
    569,442.80x = 854,164.20 × 360,009.20
  4. Step 4: Simplify right side
    569,442.80x = 307,506,970,310.64
  5. Step 5: Solve for x
    x = 307,506,970,310.64/569,442.80
  6. Step 6: Final answer
    x = 540,013.80

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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.