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Finding the Fourth Proportional to 528,462, 792,775.53 and 173,395.26

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Solution

The fourth proportional to 528,462, 792,775.53 and 173,395.26 is: 260,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,462 : 792,775.53 = 173,395.26 : x
  2. Step 2: Convert to fraction form
    528,462/792,775.53 = 173,395.26/x
  3. Step 3: Cross multiply
    528,462x = 792,775.53 × 173,395.26
  4. Step 4: Simplify right side
    528,462x = 137,463,519,145.99
  5. Step 5: Solve for x
    x = 137,463,519,145.99/528,462
  6. Step 6: Final answer
    x = 260,119.97

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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.