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Finding the Fourth Proportional to 973.99, 1,459.01 and 790.53

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Solution

The fourth proportional to 973.99, 1,459.01 and 790.53 is: 1,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.99 : 1,459.01 = 790.53 : x
  2. Step 2: Convert to fraction form
    973.99/1,459.01 = 790.53/x
  3. Step 3: Cross multiply
    973.99x = 1,459.01 × 790.53
  4. Step 4: Simplify right side
    973.99x = 1,153,387.68
  5. Step 5: Solve for x
    x = 1,153,387.68/973.99
  6. Step 6: Final answer
    x = 1,184.19

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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.