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Finding the Fourth Proportional to 303,875.92, 419,076.36 and 253,056.92

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Solution

The fourth proportional to 303,875.92, 419,076.36 and 253,056.92 is: 348,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,875.92 : 419,076.36 = 253,056.92 : x
  2. Step 2: Convert to fraction form
    303,875.92/419,076.36 = 253,056.92/x
  3. Step 3: Cross multiply
    303,875.92x = 419,076.36 × 253,056.92
  4. Step 4: Simplify right side
    303,875.92x = 106,050,173,954.10
  5. Step 5: Solve for x
    x = 106,050,173,954.10/303,875.92
  6. Step 6: Final answer
    x = 348,991.70

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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.