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Finding the Fourth Proportional to 717,366.80, 1,075,963.80 and 296,598.80

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Solution

The fourth proportional to 717,366.80, 1,075,963.80 and 296,598.80 is: 444,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,366.80 : 1,075,963.80 = 296,598.80 : x
  2. Step 2: Convert to fraction form
    717,366.80/1,075,963.80 = 296,598.80/x
  3. Step 3: Cross multiply
    717,366.80x = 1,075,963.80 × 296,598.80
  4. Step 4: Simplify right side
    717,366.80x = 319,129,571,923.44
  5. Step 5: Solve for x
    x = 319,129,571,923.44/717,366.80
  6. Step 6: Final answer
    x = 444,862.48

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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.