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Finding the Fourth Proportional to 346,533.68, 478,185.32 and 193,550.64

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Solution

The fourth proportional to 346,533.68, 478,185.32 and 193,550.64 is: 267,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,533.68 : 478,185.32 = 193,550.64 : x
  2. Step 2: Convert to fraction form
    346,533.68/478,185.32 = 193,550.64/x
  3. Step 3: Cross multiply
    346,533.68x = 478,185.32 × 193,550.64
  4. Step 4: Simplify right side
    346,533.68x = 92,553,073,756.85
  5. Step 5: Solve for x
    x = 92,553,073,756.85/346,533.68
  6. Step 6: Final answer
    x = 267,082.48

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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.