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Finding the Fourth Proportional to 585,188.77, 877,813.55 and 185,860.80

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Solution

The fourth proportional to 585,188.77, 877,813.55 and 185,860.80 is: 278,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,188.77 : 877,813.55 = 185,860.80 : x
  2. Step 2: Convert to fraction form
    585,188.77/877,813.55 = 185,860.80/x
  3. Step 3: Cross multiply
    585,188.77x = 877,813.55 × 185,860.80
  4. Step 4: Simplify right side
    585,188.77x = 163,151,128,653.84
  5. Step 5: Solve for x
    x = 163,151,128,653.84/585,188.77
  6. Step 6: Final answer
    x = 278,800.85

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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.