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Finding the Fourth Proportional to 304,064.49, 455,903.54 and 266,699.59

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Solution

The fourth proportional to 304,064.49, 455,903.54 and 266,699.59 is: 399,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,064.49 : 455,903.54 = 266,699.59 : x
  2. Step 2: Convert to fraction form
    304,064.49/455,903.54 = 266,699.59/x
  3. Step 3: Cross multiply
    304,064.49x = 455,903.54 × 266,699.59
  4. Step 4: Simplify right side
    304,064.49x = 121,589,287,197.55
  5. Step 5: Solve for x
    x = 121,589,287,197.55/304,064.49
  6. Step 6: Final answer
    x = 399,879.93

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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.