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Finding the Fourth Proportional to 501,990.60, 753,133.32 and 202,317.36

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Solution

The fourth proportional to 501,990.60, 753,133.32 and 202,317.36 is: 303,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,990.60 : 753,133.32 = 202,317.36 : x
  2. Step 2: Convert to fraction form
    501,990.60/753,133.32 = 202,317.36/x
  3. Step 3: Cross multiply
    501,990.60x = 753,133.32 × 202,317.36
  4. Step 4: Simplify right side
    501,990.60x = 152,371,945,030.44
  5. Step 5: Solve for x
    x = 152,371,945,030.44/501,990.60
  6. Step 6: Final answer
    x = 303,535.45

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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.