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Finding the Fourth Proportional to 568,653.53, 852,921.69 and 189,533.30

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Solution

The fourth proportional to 568,653.53, 852,921.69 and 189,533.30 is: 284,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,653.53 : 852,921.69 = 189,533.30 : x
  2. Step 2: Convert to fraction form
    568,653.53/852,921.69 = 189,533.30/x
  3. Step 3: Cross multiply
    568,653.53x = 852,921.69 × 189,533.30
  4. Step 4: Simplify right side
    568,653.53x = 161,657,062,547.28
  5. Step 5: Solve for x
    x = 161,657,062,547.28/568,653.53
  6. Step 6: Final answer
    x = 284,280.42

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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.