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Finding the Fourth Proportional to 490,373.40, 734,189.66 and 264,926.10

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Solution

The fourth proportional to 490,373.40, 734,189.66 and 264,926.10 is: 396,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,373.40 : 734,189.66 = 264,926.10 : x
  2. Step 2: Convert to fraction form
    490,373.40/734,189.66 = 264,926.10/x
  3. Step 3: Cross multiply
    490,373.40x = 734,189.66 × 264,926.10
  4. Step 4: Simplify right side
    490,373.40x = 194,506,001,959.50
  5. Step 5: Solve for x
    x = 194,506,001,959.50/490,373.40
  6. Step 6: Final answer
    x = 396,648.76

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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.