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Finding the Fourth Proportional to 355,267.68, 490,303.44 and 194,147.16

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Solution

The fourth proportional to 355,267.68, 490,303.44 and 194,147.16 is: 267,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,267.68 : 490,303.44 = 194,147.16 : x
  2. Step 2: Convert to fraction form
    355,267.68/490,303.44 = 194,147.16/x
  3. Step 3: Cross multiply
    355,267.68x = 490,303.44 × 194,147.16
  4. Step 4: Simplify right side
    355,267.68x = 95,191,020,414.23
  5. Step 5: Solve for x
    x = 95,191,020,414.23/355,267.68
  6. Step 6: Final answer
    x = 267,941.68

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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.