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Finding the Fourth Proportional to 304,653.32, 420,406.62 and 168,683.48

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Solution

The fourth proportional to 304,653.32, 420,406.62 and 168,683.48 is: 232,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,653.32 : 420,406.62 = 168,683.48 : x
  2. Step 2: Convert to fraction form
    304,653.32/420,406.62 = 168,683.48/x
  3. Step 3: Cross multiply
    304,653.32x = 420,406.62 × 168,683.48
  4. Step 4: Simplify right side
    304,653.32x = 70,915,651,676.64
  5. Step 5: Solve for x
    x = 70,915,651,676.64/304,653.32
  6. Step 6: Final answer
    x = 232,774.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.