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Finding the Fourth Proportional to 624.44, 933.26 and 575.18

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Solution

The fourth proportional to 624.44, 933.26 and 575.18 is: 859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.44 : 933.26 = 575.18 : x
  2. Step 2: Convert to fraction form
    624.44/933.26 = 575.18/x
  3. Step 3: Cross multiply
    624.44x = 933.26 × 575.18
  4. Step 4: Simplify right side
    624.44x = 536,792.49
  5. Step 5: Solve for x
    x = 536,792.49/624.44
  6. Step 6: Final answer
    x = 859.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.