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Finding the Fourth Proportional to 569,390.64, 854,390.46 and 369,664.08

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Solution

The fourth proportional to 569,390.64, 854,390.46 and 369,664.08 is: 554,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,390.64 : 854,390.46 = 369,664.08 : x
  2. Step 2: Convert to fraction form
    569,390.64/854,390.46 = 369,664.08/x
  3. Step 3: Cross multiply
    569,390.64x = 854,390.46 × 369,664.08
  4. Step 4: Simplify right side
    569,390.64x = 315,837,463,356.68
  5. Step 5: Solve for x
    x = 315,837,463,356.68/569,390.64
  6. Step 6: Final answer
    x = 554,693.81

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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.