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Finding the Fourth Proportional to 973.36, 1,459.74 and 424.99

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Solution

The fourth proportional to 973.36, 1,459.74 and 424.99 is: 637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.36 : 1,459.74 = 424.99 : x
  2. Step 2: Convert to fraction form
    973.36/1,459.74 = 424.99/x
  3. Step 3: Cross multiply
    973.36x = 1,459.74 × 424.99
  4. Step 4: Simplify right side
    973.36x = 620,374.90
  5. Step 5: Solve for x
    x = 620,374.90/973.36
  6. Step 6: Final answer
    x = 637.35

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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.