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Finding the Fourth Proportional to 839,567.94, 1,259,439.57 and 359,843.82

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Solution

The fourth proportional to 839,567.94, 1,259,439.57 and 359,843.82 is: 539,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,567.94 : 1,259,439.57 = 359,843.82 : x
  2. Step 2: Convert to fraction form
    839,567.94/1,259,439.57 = 359,843.82/x
  3. Step 3: Cross multiply
    839,567.94x = 1,259,439.57 × 359,843.82
  4. Step 4: Simplify right side
    839,567.94x = 453,201,545,927.96
  5. Step 5: Solve for x
    x = 453,201,545,927.96/839,567.94
  6. Step 6: Final answer
    x = 539,803.30

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1.5x scale

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.