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Finding the Fourth Proportional to 786,552, 1,179,832.32 and 195,576

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Solution

The fourth proportional to 786,552, 1,179,832.32 and 195,576 is: 293,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,552 : 1,179,832.32 = 195,576 : x
  2. Step 2: Convert to fraction form
    786,552/1,179,832.32 = 195,576/x
  3. Step 3: Cross multiply
    786,552x = 1,179,832.32 × 195,576
  4. Step 4: Simplify right side
    786,552x = 230,746,885,816.32
  5. Step 5: Solve for x
    x = 230,746,885,816.32/786,552
  6. Step 6: Final answer
    x = 293,365.07

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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.