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Finding the Fourth Proportional to 354,796, 489,618.48 and 241,816.12

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Solution

The fourth proportional to 354,796, 489,618.48 and 241,816.12 is: 333,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,796 : 489,618.48 = 241,816.12 : x
  2. Step 2: Convert to fraction form
    354,796/489,618.48 = 241,816.12/x
  3. Step 3: Cross multiply
    354,796x = 489,618.48 × 241,816.12
  4. Step 4: Simplify right side
    354,796x = 118,397,641,113.90
  5. Step 5: Solve for x
    x = 118,397,641,113.90/354,796
  6. Step 6: Final answer
    x = 333,706.25

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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.