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Finding the Fourth Proportional to 848.53, 1,170.93 and 475.52

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Solution

The fourth proportional to 848.53, 1,170.93 and 475.52 is: 656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.53 : 1,170.93 = 475.52 : x
  2. Step 2: Convert to fraction form
    848.53/1,170.93 = 475.52/x
  3. Step 3: Cross multiply
    848.53x = 1,170.93 × 475.52
  4. Step 4: Simplify right side
    848.53x = 556,803.56
  5. Step 5: Solve for x
    x = 556,803.56/848.53
  6. Step 6: Final answer
    x = 656.20

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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.