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Finding the Fourth Proportional to 963,754.88, 1,445,703.34 and 253,778

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Solution

The fourth proportional to 963,754.88, 1,445,703.34 and 253,778 is: 380,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,754.88 : 1,445,703.34 = 253,778 : x
  2. Step 2: Convert to fraction form
    963,754.88/1,445,703.34 = 253,778/x
  3. Step 3: Cross multiply
    963,754.88x = 1,445,703.34 × 253,778
  4. Step 4: Simplify right side
    963,754.88x = 366,887,702,218.52
  5. Step 5: Solve for x
    x = 366,887,702,218.52/963,754.88
  6. Step 6: Final answer
    x = 380,685.70

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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.