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Finding the Fourth Proportional to 348,603.20, 522,904.80 and 324,983.60

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Solution

The fourth proportional to 348,603.20, 522,904.80 and 324,983.60 is: 487,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,603.20 : 522,904.80 = 324,983.60 : x
  2. Step 2: Convert to fraction form
    348,603.20/522,904.80 = 324,983.60/x
  3. Step 3: Cross multiply
    348,603.20x = 522,904.80 × 324,983.60
  4. Step 4: Simplify right side
    348,603.20x = 169,935,484,361.28
  5. Step 5: Solve for x
    x = 169,935,484,361.28/348,603.20
  6. Step 6: Final answer
    x = 487,475.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.