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Finding the Fourth Proportional to 973.90, 1,461.24 and 473.32

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Solution

The fourth proportional to 973.90, 1,461.24 and 473.32 is: 710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.90 : 1,461.24 = 473.32 : x
  2. Step 2: Convert to fraction form
    973.90/1,461.24 = 473.32/x
  3. Step 3: Cross multiply
    973.90x = 1,461.24 × 473.32
  4. Step 4: Simplify right side
    973.90x = 691,634.12
  5. Step 5: Solve for x
    x = 691,634.12/973.90
  6. Step 6: Final answer
    x = 710.17

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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.