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Finding the Fourth Proportional to 536,002.40, 803,312.40 and 254,914.40

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Solution

The fourth proportional to 536,002.40, 803,312.40 and 254,914.40 is: 382,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,002.40 : 803,312.40 = 254,914.40 : x
  2. Step 2: Convert to fraction form
    536,002.40/803,312.40 = 254,914.40/x
  3. Step 3: Cross multiply
    536,002.40x = 803,312.40 × 254,914.40
  4. Step 4: Simplify right side
    536,002.40x = 204,775,898,458.56
  5. Step 5: Solve for x
    x = 204,775,898,458.56/536,002.40
  6. Step 6: Final answer
    x = 382,042.88

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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.