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Finding the Fourth Proportional to 835.36, 1,152.48 and 524.32

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Solution

The fourth proportional to 835.36, 1,152.48 and 524.32 is: 723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.36 : 1,152.48 = 524.32 : x
  2. Step 2: Convert to fraction form
    835.36/1,152.48 = 524.32/x
  3. Step 3: Cross multiply
    835.36x = 1,152.48 × 524.32
  4. Step 4: Simplify right side
    835.36x = 604,268.31
  5. Step 5: Solve for x
    x = 604,268.31/835.36
  6. Step 6: Final answer
    x = 723.36

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Double scale
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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.