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Finding the Fourth Proportional to 635,890.86, 877,526.73 and 349,410.06

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Solution

The fourth proportional to 635,890.86, 877,526.73 and 349,410.06 is: 482,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,890.86 : 877,526.73 = 349,410.06 : x
  2. Step 2: Convert to fraction form
    635,890.86/877,526.73 = 349,410.06/x
  3. Step 3: Cross multiply
    635,890.86x = 877,526.73 × 349,410.06
  4. Step 4: Simplify right side
    635,890.86x = 306,616,667,380.90
  5. Step 5: Solve for x
    x = 306,616,667,380.90/635,890.86
  6. Step 6: Final answer
    x = 482,184.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.