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Finding the Fourth Proportional to 975.60, 1,464.64 and 701.04

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Solution

The fourth proportional to 975.60, 1,464.64 and 701.04 is: 1,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.60 : 1,464.64 = 701.04 : x
  2. Step 2: Convert to fraction form
    975.60/1,464.64 = 701.04/x
  3. Step 3: Cross multiply
    975.60x = 1,464.64 × 701.04
  4. Step 4: Simplify right side
    975.60x = 1,026,771.23
  5. Step 5: Solve for x
    x = 1,026,771.23/975.60
  6. Step 6: Final answer
    x = 1,052.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.