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Finding the Fourth Proportional to 354,798, 489,621.24 and 241,818.12

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Solution

The fourth proportional to 354,798, 489,621.24 and 241,818.12 is: 333,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,798 : 489,621.24 = 241,818.12 : x
  2. Step 2: Convert to fraction form
    354,798/489,621.24 = 241,818.12/x
  3. Step 3: Cross multiply
    354,798x = 489,621.24 × 241,818.12
  4. Step 4: Simplify right side
    354,798x = 118,399,287,768.87
  5. Step 5: Solve for x
    x = 118,399,287,768.87/354,798
  6. Step 6: Final answer
    x = 333,709.01

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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.