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Finding the Fourth Proportional to 368,015.14, 507,772.22 and 214,966.45

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Solution

The fourth proportional to 368,015.14, 507,772.22 and 214,966.45 is: 296,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,015.14 : 507,772.22 = 214,966.45 : x
  2. Step 2: Convert to fraction form
    368,015.14/507,772.22 = 214,966.45/x
  3. Step 3: Cross multiply
    368,015.14x = 507,772.22 × 214,966.45
  4. Step 4: Simplify right side
    368,015.14x = 109,153,991,542.02
  5. Step 5: Solve for x
    x = 109,153,991,542.02/368,015.14
  6. Step 6: Final answer
    x = 296,601.90

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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.