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Finding the Fourth Proportional to 379,464.40, 569,852.70 and 202,317.40

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Solution

The fourth proportional to 379,464.40, 569,852.70 and 202,317.40 is: 303,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,464.40 : 569,852.70 = 202,317.40 : x
  2. Step 2: Convert to fraction form
    379,464.40/569,852.70 = 202,317.40/x
  3. Step 3: Cross multiply
    379,464.40x = 569,852.70 × 202,317.40
  4. Step 4: Simplify right side
    379,464.40x = 115,291,116,646.98
  5. Step 5: Solve for x
    x = 115,291,116,646.98/379,464.40
  6. Step 6: Final answer
    x = 303,825.91

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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.