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Finding the Fourth Proportional to 424,242.85, 585,442.81 and 240,498.46

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Solution

The fourth proportional to 424,242.85, 585,442.81 and 240,498.46 is: 331,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,242.85 : 585,442.81 = 240,498.46 : x
  2. Step 2: Convert to fraction form
    424,242.85/585,442.81 = 240,498.46/x
  3. Step 3: Cross multiply
    424,242.85x = 585,442.81 × 240,498.46
  4. Step 4: Simplify right side
    424,242.85x = 140,798,090,093.37
  5. Step 5: Solve for x
    x = 140,798,090,093.37/424,242.85
  6. Step 6: Final answer
    x = 331,880.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.