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Finding the Fourth Proportional to 585,745.71, 877,614.57 and 393,259.55

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Solution

The fourth proportional to 585,745.71, 877,614.57 and 393,259.55 is: 589,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,745.71 : 877,614.57 = 393,259.55 : x
  2. Step 2: Convert to fraction form
    585,745.71/877,614.57 = 393,259.55/x
  3. Step 3: Cross multiply
    585,745.71x = 877,614.57 × 393,259.55
  4. Step 4: Simplify right side
    585,745.71x = 345,130,306,483.57
  5. Step 5: Solve for x
    x = 345,130,306,483.57/585,745.71
  6. Step 6: Final answer
    x = 589,215.25

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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.