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Finding the Fourth Proportional to 884,089.80, 1,326,825.90 and 410,833.80

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Solution

The fourth proportional to 884,089.80, 1,326,825.90 and 410,833.80 is: 616,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,089.80 : 1,326,825.90 = 410,833.80 : x
  2. Step 2: Convert to fraction form
    884,089.80/1,326,825.90 = 410,833.80/x
  3. Step 3: Cross multiply
    884,089.80x = 1,326,825.90 × 410,833.80
  4. Step 4: Simplify right side
    884,089.80x = 545,104,926,435.42
  5. Step 5: Solve for x
    x = 545,104,926,435.42/884,089.80
  6. Step 6: Final answer
    x = 616,571.90

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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.