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Finding the Fourth Proportional to 468,524.16, 646,562.40 and 253,664.40

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Solution

The fourth proportional to 468,524.16, 646,562.40 and 253,664.40 is: 350,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,524.16 : 646,562.40 = 253,664.40 : x
  2. Step 2: Convert to fraction form
    468,524.16/646,562.40 = 253,664.40/x
  3. Step 3: Cross multiply
    468,524.16x = 646,562.40 × 253,664.40
  4. Step 4: Simplify right side
    468,524.16x = 164,009,863,258.56
  5. Step 5: Solve for x
    x = 164,009,863,258.56/468,524.16
  6. Step 6: Final answer
    x = 350,056.36

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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.