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Finding the Fourth Proportional to 355,235.58, 490,232.16 and 194,100.59

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Solution

The fourth proportional to 355,235.58, 490,232.16 and 194,100.59 is: 267,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.58 : 490,232.16 = 194,100.59 : x
  2. Step 2: Convert to fraction form
    355,235.58/490,232.16 = 194,100.59/x
  3. Step 3: Cross multiply
    355,235.58x = 490,232.16 × 194,100.59
  4. Step 4: Simplify right side
    355,235.58x = 95,154,349,041.81
  5. Step 5: Solve for x
    x = 95,154,349,041.81/355,235.58
  6. Step 6: Final answer
    x = 267,862.66

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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.