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Finding the Fourth Proportional to 404,539.04, 606,315.76 and 286,244

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Solution

The fourth proportional to 404,539.04, 606,315.76 and 286,244 is: 429,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,539.04 : 606,315.76 = 286,244 : x
  2. Step 2: Convert to fraction form
    404,539.04/606,315.76 = 286,244/x
  3. Step 3: Cross multiply
    404,539.04x = 606,315.76 × 286,244
  4. Step 4: Simplify right side
    404,539.04x = 173,554,248,405.44
  5. Step 5: Solve for x
    x = 173,554,248,405.44/404,539.04
  6. Step 6: Final answer
    x = 429,017.30

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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.