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Finding the Fourth Proportional to 313,055.02, 469,656.24 and 249,254.47

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Solution

The fourth proportional to 313,055.02, 469,656.24 and 249,254.47 is: 373,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,055.02 : 469,656.24 = 249,254.47 : x
  2. Step 2: Convert to fraction form
    313,055.02/469,656.24 = 249,254.47/x
  3. Step 3: Cross multiply
    313,055.02x = 469,656.24 × 249,254.47
  4. Step 4: Simplify right side
    313,055.02x = 117,063,917,183.39
  5. Step 5: Solve for x
    x = 117,063,917,183.39/313,055.02
  6. Step 6: Final answer
    x = 373,940.39

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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.