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Finding the Fourth Proportional to 745,453, 1,118,354.46 and 246,817

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Solution

The fourth proportional to 745,453, 1,118,354.46 and 246,817 is: 370,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,453 : 1,118,354.46 = 246,817 : x
  2. Step 2: Convert to fraction form
    745,453/1,118,354.46 = 246,817/x
  3. Step 3: Cross multiply
    745,453x = 1,118,354.46 × 246,817
  4. Step 4: Simplify right side
    745,453x = 276,028,892,753.82
  5. Step 5: Solve for x
    x = 276,028,892,753.82/745,453
  6. Step 6: Final answer
    x = 370,283.43

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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.