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Finding the Fourth Proportional to 540,544.55, 745,967.04 and 298,842.69

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Solution

The fourth proportional to 540,544.55, 745,967.04 and 298,842.69 is: 412,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,544.55 : 745,967.04 = 298,842.69 : x
  2. Step 2: Convert to fraction form
    540,544.55/745,967.04 = 298,842.69/x
  3. Step 3: Cross multiply
    540,544.55x = 745,967.04 × 298,842.69
  4. Step 4: Simplify right side
    540,544.55x = 222,926,795,626.33
  5. Step 5: Solve for x
    x = 222,926,795,626.33/540,544.55
  6. Step 6: Final answer
    x = 412,411.52

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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.