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Finding the Fourth Proportional to 562,719.07, 776,650.48 and 333,405.47

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Solution

The fourth proportional to 562,719.07, 776,650.48 and 333,405.47 is: 460,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,719.07 : 776,650.48 = 333,405.47 : x
  2. Step 2: Convert to fraction form
    562,719.07/776,650.48 = 333,405.47/x
  3. Step 3: Cross multiply
    562,719.07x = 776,650.48 × 333,405.47
  4. Step 4: Simplify right side
    562,719.07x = 258,939,515,049.58
  5. Step 5: Solve for x
    x = 258,939,515,049.58/562,719.07
  6. Step 6: Final answer
    x = 460,157.70

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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.