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Finding the Fourth Proportional to 304,533.80, 455,816.55 and 237,611.60

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Solution

The fourth proportional to 304,533.80, 455,816.55 and 237,611.60 is: 355,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,533.80 : 455,816.55 = 237,611.60 : x
  2. Step 2: Convert to fraction form
    304,533.80/455,816.55 = 237,611.60/x
  3. Step 3: Cross multiply
    304,533.80x = 455,816.55 × 237,611.60
  4. Step 4: Simplify right side
    304,533.80x = 108,307,299,751.98
  5. Step 5: Solve for x
    x = 108,307,299,751.98/304,533.80
  6. Step 6: Final answer
    x = 355,649.52

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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.