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Finding the Fourth Proportional to 242,813.80, 364,998.30 and 173,175.40

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Solution

The fourth proportional to 242,813.80, 364,998.30 and 173,175.40 is: 260,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,813.80 : 364,998.30 = 173,175.40 : x
  2. Step 2: Convert to fraction form
    242,813.80/364,998.30 = 173,175.40/x
  3. Step 3: Cross multiply
    242,813.80x = 364,998.30 × 173,175.40
  4. Step 4: Simplify right side
    242,813.80x = 63,208,726,601.82
  5. Step 5: Solve for x
    x = 63,208,726,601.82/242,813.80
  6. Step 6: Final answer
    x = 260,317.69

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1.5x scale

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.