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Finding the Fourth Proportional to 450,700.61, 675,078.98 and 424,202.36

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Solution

The fourth proportional to 450,700.61, 675,078.98 and 424,202.36 is: 635,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,700.61 : 675,078.98 = 424,202.36 : x
  2. Step 2: Convert to fraction form
    450,700.61/675,078.98 = 424,202.36/x
  3. Step 3: Cross multiply
    450,700.61x = 675,078.98 × 424,202.36
  4. Step 4: Simplify right side
    450,700.61x = 286,370,091,005.99
  5. Step 5: Solve for x
    x = 286,370,091,005.99/450,700.61
  6. Step 6: Final answer
    x = 635,388.74

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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.