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Finding the Fourth Proportional to 963,765.88, 1,445,719.84 and 253,789

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Solution

The fourth proportional to 963,765.88, 1,445,719.84 and 253,789 is: 380,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,765.88 : 1,445,719.84 = 253,789 : x
  2. Step 2: Convert to fraction form
    963,765.88/1,445,719.84 = 253,789/x
  3. Step 3: Cross multiply
    963,765.88x = 1,445,719.84 × 253,789
  4. Step 4: Simplify right side
    963,765.88x = 366,907,792,473.76
  5. Step 5: Solve for x
    x = 366,907,792,473.76/963,765.88
  6. Step 6: Final answer
    x = 380,702.20

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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.