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Finding the Fourth Proportional to 424,470.48, 585,852.44 and 243,303.74

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Solution

The fourth proportional to 424,470.48, 585,852.44 and 243,303.74 is: 335,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,470.48 : 585,852.44 = 243,303.74 : x
  2. Step 2: Convert to fraction form
    424,470.48/585,852.44 = 243,303.74/x
  3. Step 3: Cross multiply
    424,470.48x = 585,852.44 × 243,303.74
  4. Step 4: Simplify right side
    424,470.48x = 142,540,085,594.35
  5. Step 5: Solve for x
    x = 142,540,085,594.35/424,470.48
  6. Step 6: Final answer
    x = 335,806.83

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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.