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Finding the Fourth Proportional to 434,853.80, 651,762.30 and 182,133.80

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Solution

The fourth proportional to 434,853.80, 651,762.30 and 182,133.80 is: 272,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,853.80 : 651,762.30 = 182,133.80 : x
  2. Step 2: Convert to fraction form
    434,853.80/651,762.30 = 182,133.80/x
  3. Step 3: Cross multiply
    434,853.80x = 651,762.30 × 182,133.80
  4. Step 4: Simplify right side
    434,853.80x = 118,707,944,395.74
  5. Step 5: Solve for x
    x = 118,707,944,395.74/434,853.80
  6. Step 6: Final answer
    x = 272,983.57

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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.