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Finding the Fourth Proportional to 371,625.32, 512,852.43 and 210,477.98

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Solution

The fourth proportional to 371,625.32, 512,852.43 and 210,477.98 is: 290,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,625.32 : 512,852.43 = 210,477.98 : x
  2. Step 2: Convert to fraction form
    371,625.32/512,852.43 = 210,477.98/x
  3. Step 3: Cross multiply
    371,625.32x = 512,852.43 × 210,477.98
  4. Step 4: Simplify right side
    371,625.32x = 107,944,140,940.23
  5. Step 5: Solve for x
    x = 107,944,140,940.23/371,625.32
  6. Step 6: Final answer
    x = 290,464.98

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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.