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Finding the Fourth Proportional to 577,514.19, 866,205.09 and 151,091.16

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Solution

The fourth proportional to 577,514.19, 866,205.09 and 151,091.16 is: 226,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,514.19 : 866,205.09 = 151,091.16 : x
  2. Step 2: Convert to fraction form
    577,514.19/866,205.09 = 151,091.16/x
  3. Step 3: Cross multiply
    577,514.19x = 866,205.09 × 151,091.16
  4. Step 4: Simplify right side
    577,514.19x = 130,875,931,090.55
  5. Step 5: Solve for x
    x = 130,875,931,090.55/577,514.19
  6. Step 6: Final answer
    x = 226,619.42

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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.