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Finding the Fourth Proportional to 554,668.55, 830,836.43 and 461,356.55

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Solution

The fourth proportional to 554,668.55, 830,836.43 and 461,356.55 is: 691,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,668.55 : 830,836.43 = 461,356.55 : x
  2. Step 2: Convert to fraction form
    554,668.55/830,836.43 = 461,356.55/x
  3. Step 3: Cross multiply
    554,668.55x = 830,836.43 × 461,356.55
  4. Step 4: Simplify right side
    554,668.55x = 383,311,826,652.33
  5. Step 5: Solve for x
    x = 383,311,826,652.33/554,668.55
  6. Step 6: Final answer
    x = 691,064.65

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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.