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Finding the Fourth Proportional to 575,518.55, 863,130.52 and 170,616.07

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Solution

The fourth proportional to 575,518.55, 863,130.52 and 170,616.07 is: 255,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,518.55 : 863,130.52 = 170,616.07 : x
  2. Step 2: Convert to fraction form
    575,518.55/863,130.52 = 170,616.07/x
  3. Step 3: Cross multiply
    575,518.55x = 863,130.52 × 170,616.07
  4. Step 4: Simplify right side
    575,518.55x = 147,263,936,366.38
  5. Step 5: Solve for x
    x = 147,263,936,366.38/575,518.55
  6. Step 6: Final answer
    x = 255,880.44

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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.