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Finding the Fourth Proportional to 468,438.15, 702,985.28 and 202,389.60

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Solution

The fourth proportional to 468,438.15, 702,985.28 and 202,389.60 is: 303,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,438.15 : 702,985.28 = 202,389.60 : x
  2. Step 2: Convert to fraction form
    468,438.15/702,985.28 = 202,389.60/x
  3. Step 3: Cross multiply
    468,438.15x = 702,985.28 × 202,389.60
  4. Step 4: Simplify right side
    468,438.15x = 142,276,909,625.09
  5. Step 5: Solve for x
    x = 142,276,909,625.09/468,438.15
  6. Step 6: Final answer
    x = 303,726.14

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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.