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Finding the Fourth Proportional to 587,180.61, 810,699.54 and 450,971.13

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Solution

The fourth proportional to 587,180.61, 810,699.54 and 450,971.13 is: 622,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,180.61 : 810,699.54 = 450,971.13 : x
  2. Step 2: Convert to fraction form
    587,180.61/810,699.54 = 450,971.13/x
  3. Step 3: Cross multiply
    587,180.61x = 810,699.54 × 450,971.13
  4. Step 4: Simplify right side
    587,180.61x = 365,602,087,644.28
  5. Step 5: Solve for x
    x = 365,602,087,644.28/587,180.61
  6. Step 6: Final answer
    x = 622,639.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.