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Finding the Fourth Proportional to 585,369.95, 877,868.07 and 185,917.28

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Solution

The fourth proportional to 585,369.95, 877,868.07 and 185,917.28 is: 278,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,369.95 : 877,868.07 = 185,917.28 : x
  2. Step 2: Convert to fraction form
    585,369.95/877,868.07 = 185,917.28/x
  3. Step 3: Cross multiply
    585,369.95x = 877,868.07 × 185,917.28
  4. Step 4: Simplify right side
    585,369.95x = 163,210,843,773.25
  5. Step 5: Solve for x
    x = 163,210,843,773.25/585,369.95
  6. Step 6: Final answer
    x = 278,816.57

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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.