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Finding the Fourth Proportional to 521,363.36, 719,496.60 and 295,004

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Solution

The fourth proportional to 521,363.36, 719,496.60 and 295,004 is: 407,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,363.36 : 719,496.60 = 295,004 : x
  2. Step 2: Convert to fraction form
    521,363.36/719,496.60 = 295,004/x
  3. Step 3: Cross multiply
    521,363.36x = 719,496.60 × 295,004
  4. Step 4: Simplify right side
    521,363.36x = 212,254,374,986.40
  5. Step 5: Solve for x
    x = 212,254,374,986.40/521,363.36
  6. Step 6: Final answer
    x = 407,114.10

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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.