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Finding the Fourth Proportional to 532,368.50, 798,159.09 and 321,959.66

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Solution

The fourth proportional to 532,368.50, 798,159.09 and 321,959.66 is: 482,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,368.50 : 798,159.09 = 321,959.66 : x
  2. Step 2: Convert to fraction form
    532,368.50/798,159.09 = 321,959.66/x
  3. Step 3: Cross multiply
    532,368.50x = 798,159.09 × 321,959.66
  4. Step 4: Simplify right side
    532,368.50x = 256,975,029,242.31
  5. Step 5: Solve for x
    x = 256,975,029,242.31/532,368.50
  6. Step 6: Final answer
    x = 482,701.42

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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.