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Finding the Fourth Proportional to 575,585.10, 863,626.37 and 309,034.35

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Solution

The fourth proportional to 575,585.10, 863,626.37 and 309,034.35 is: 463,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,585.10 : 863,626.37 = 309,034.35 : x
  2. Step 2: Convert to fraction form
    575,585.10/863,626.37 = 309,034.35/x
  3. Step 3: Cross multiply
    575,585.10x = 863,626.37 × 309,034.35
  4. Step 4: Simplify right side
    575,585.10x = 266,890,212,350.64
  5. Step 5: Solve for x
    x = 266,890,212,350.64/575,585.10
  6. Step 6: Final answer
    x = 463,685.06

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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.