Home / 352,006.20-528,009.30-263,878.20

Finding the Fourth Proportional to 352,006.20, 528,009.30 and 263,878.20

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Solution

The fourth proportional to 352,006.20, 528,009.30 and 263,878.20 is: 395,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,006.20 : 528,009.30 = 263,878.20 : x
  2. Step 2: Convert to fraction form
    352,006.20/528,009.30 = 263,878.20/x
  3. Step 3: Cross multiply
    352,006.20x = 528,009.30 × 263,878.20
  4. Step 4: Simplify right side
    352,006.20x = 139,330,143,667.26
  5. Step 5: Solve for x
    x = 139,330,143,667.26/352,006.20
  6. Step 6: Final answer
    x = 395,817.30

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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.