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Finding the Fourth Proportional to 357,519.04, 493,379.83 and 194,178.74

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Solution

The fourth proportional to 357,519.04, 493,379.83 and 194,178.74 is: 267,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,519.04 : 493,379.83 = 194,178.74 : x
  2. Step 2: Convert to fraction form
    357,519.04/493,379.83 = 194,178.74/x
  3. Step 3: Cross multiply
    357,519.04x = 493,379.83 × 194,178.74
  4. Step 4: Simplify right side
    357,519.04x = 95,803,871,506.64
  5. Step 5: Solve for x
    x = 95,803,871,506.64/357,519.04
  6. Step 6: Final answer
    x = 267,968.59

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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.