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Finding the Fourth Proportional to 372,352.56, 513,838.80 and 202,587.36

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Solution

The fourth proportional to 372,352.56, 513,838.80 and 202,587.36 is: 279,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,352.56 : 513,838.80 = 202,587.36 : x
  2. Step 2: Convert to fraction form
    372,352.56/513,838.80 = 202,587.36/x
  3. Step 3: Cross multiply
    372,352.56x = 513,838.80 × 202,587.36
  4. Step 4: Simplify right side
    372,352.56x = 104,097,245,957.57
  5. Step 5: Solve for x
    x = 104,097,245,957.57/372,352.56
  6. Step 6: Final answer
    x = 279,566.35

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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.