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Finding the Fourth Proportional to 529,461.36, 730,720.44 and 303,102

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Solution

The fourth proportional to 529,461.36, 730,720.44 and 303,102 is: 418,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,461.36 : 730,720.44 = 303,102 : x
  2. Step 2: Convert to fraction form
    529,461.36/730,720.44 = 303,102/x
  3. Step 3: Cross multiply
    529,461.36x = 730,720.44 × 303,102
  4. Step 4: Simplify right side
    529,461.36x = 221,482,826,804.88
  5. Step 5: Solve for x
    x = 221,482,826,804.88/529,461.36
  6. Step 6: Final answer
    x = 418,317.26

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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.