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Finding the Fourth Proportional to 963,103.60, 1,444,655.40 and 253,203.40

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Solution

The fourth proportional to 963,103.60, 1,444,655.40 and 253,203.40 is: 379,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,103.60 : 1,444,655.40 = 253,203.40 : x
  2. Step 2: Convert to fraction form
    963,103.60/1,444,655.40 = 253,203.40/x
  3. Step 3: Cross multiply
    963,103.60x = 1,444,655.40 × 253,203.40
  4. Step 4: Simplify right side
    963,103.60x = 365,791,659,108.36
  5. Step 5: Solve for x
    x = 365,791,659,108.36/963,103.60
  6. Step 6: Final answer
    x = 379,805.10

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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.