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Finding the Fourth Proportional to 427,873.48, 590,320.32 and 246,579.70

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Solution

The fourth proportional to 427,873.48, 590,320.32 and 246,579.70 is: 340,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,873.48 : 590,320.32 = 246,579.70 : x
  2. Step 2: Convert to fraction form
    427,873.48/590,320.32 = 246,579.70/x
  3. Step 3: Cross multiply
    427,873.48x = 590,320.32 × 246,579.70
  4. Step 4: Simplify right side
    427,873.48x = 145,561,007,409.50
  5. Step 5: Solve for x
    x = 145,561,007,409.50/427,873.48
  6. Step 6: Final answer
    x = 340,196.38

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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.