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Finding the Fourth Proportional to 614,820.54, 848,457 and 342,906.24

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Solution

The fourth proportional to 614,820.54, 848,457 and 342,906.24 is: 473,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,820.54 : 848,457 = 342,906.24 : x
  2. Step 2: Convert to fraction form
    614,820.54/848,457 = 342,906.24/x
  3. Step 3: Cross multiply
    614,820.54x = 848,457 × 342,906.24
  4. Step 4: Simplify right side
    614,820.54x = 290,941,199,671.68
  5. Step 5: Solve for x
    x = 290,941,199,671.68/614,820.54
  6. Step 6: Final answer
    x = 473,213.21

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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.