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Finding the Fourth Proportional to 363,368.87, 501,444.16 and 202,223.87

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Solution

The fourth proportional to 363,368.87, 501,444.16 and 202,223.87 is: 279,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,368.87 : 501,444.16 = 202,223.87 : x
  2. Step 2: Convert to fraction form
    363,368.87/501,444.16 = 202,223.87/x
  3. Step 3: Cross multiply
    363,368.87x = 501,444.16 × 202,223.87
  4. Step 4: Simplify right side
    363,368.87x = 101,403,980,312.36
  5. Step 5: Solve for x
    x = 101,403,980,312.36/363,368.87
  6. Step 6: Final answer
    x = 279,066.23

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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.