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Finding the Fourth Proportional to 325,533.40, 488,300.10 and 100,893.40

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Solution

The fourth proportional to 325,533.40, 488,300.10 and 100,893.40 is: 151,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,533.40 : 488,300.10 = 100,893.40 : x
  2. Step 2: Convert to fraction form
    325,533.40/488,300.10 = 100,893.40/x
  3. Step 3: Cross multiply
    325,533.40x = 488,300.10 × 100,893.40
  4. Step 4: Simplify right side
    325,533.40x = 49,266,257,309.34
  5. Step 5: Solve for x
    x = 49,266,257,309.34/325,533.40
  6. Step 6: Final answer
    x = 151,340.10

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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.