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Finding the Fourth Proportional to 555,057.72, 832,918.68 and 239,514.57

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Solution

The fourth proportional to 555,057.72, 832,918.68 and 239,514.57 is: 359,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,057.72 : 832,918.68 = 239,514.57 : x
  2. Step 2: Convert to fraction form
    555,057.72/832,918.68 = 239,514.57/x
  3. Step 3: Cross multiply
    555,057.72x = 832,918.68 × 239,514.57
  4. Step 4: Simplify right side
    555,057.72x = 199,496,159,485.17
  5. Step 5: Solve for x
    x = 199,496,159,485.17/555,057.72
  6. Step 6: Final answer
    x = 359,415.16

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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.