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Finding the Fourth Proportional to 440,181.10, 607,452.48 and 258,900.70

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Solution

The fourth proportional to 440,181.10, 607,452.48 and 258,900.70 is: 357,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,181.10 : 607,452.48 = 258,900.70 : x
  2. Step 2: Convert to fraction form
    440,181.10/607,452.48 = 258,900.70/x
  3. Step 3: Cross multiply
    440,181.10x = 607,452.48 × 258,900.70
  4. Step 4: Simplify right side
    440,181.10x = 157,269,872,288.74
  5. Step 5: Solve for x
    x = 157,269,872,288.74/440,181.10
  6. Step 6: Final answer
    x = 357,284.47

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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.