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Finding the Fourth Proportional to 296,812.10, 444,926.55 and 265,319.30

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Solution

The fourth proportional to 296,812.10, 444,926.55 and 265,319.30 is: 397,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,812.10 : 444,926.55 = 265,319.30 : x
  2. Step 2: Convert to fraction form
    296,812.10/444,926.55 = 265,319.30/x
  3. Step 3: Cross multiply
    296,812.10x = 444,926.55 × 265,319.30
  4. Step 4: Simplify right side
    296,812.10x = 118,047,600,797.42
  5. Step 5: Solve for x
    x = 118,047,600,797.42/296,812.10
  6. Step 6: Final answer
    x = 397,718.29

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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.