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Finding the Fourth Proportional to 585,293.40, 877,336.25 and 285,403.46

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Solution

The fourth proportional to 585,293.40, 877,336.25 and 285,403.46 is: 427,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,293.40 : 877,336.25 = 285,403.46 : x
  2. Step 2: Convert to fraction form
    585,293.40/877,336.25 = 285,403.46/x
  3. Step 3: Cross multiply
    585,293.40x = 877,336.25 × 285,403.46
  4. Step 4: Simplify right side
    585,293.40x = 250,394,795,519.73
  5. Step 5: Solve for x
    x = 250,394,795,519.73/585,293.40
  6. Step 6: Final answer
    x = 427,810.73

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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.