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Finding the Fourth Proportional to 304,477.03, 420,175.21 and 168,511.24

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Solution

The fourth proportional to 304,477.03, 420,175.21 and 168,511.24 is: 232,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,477.03 : 420,175.21 = 168,511.24 : x
  2. Step 2: Convert to fraction form
    304,477.03/420,175.21 = 168,511.24/x
  3. Step 3: Cross multiply
    304,477.03x = 420,175.21 × 168,511.24
  4. Step 4: Simplify right side
    304,477.03x = 70,804,244,811.80
  5. Step 5: Solve for x
    x = 70,804,244,811.80/304,477.03
  6. Step 6: Final answer
    x = 232,543.80

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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.