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Finding the Fourth Proportional to 973.83, 1,461.48 and 358.12

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Solution

The fourth proportional to 973.83, 1,461.48 and 358.12 is: 537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.83 : 1,461.48 = 358.12 : x
  2. Step 2: Convert to fraction form
    973.83/1,461.48 = 358.12/x
  3. Step 3: Cross multiply
    973.83x = 1,461.48 × 358.12
  4. Step 4: Simplify right side
    973.83x = 523,385.22
  5. Step 5: Solve for x
    x = 523,385.22/973.83
  6. Step 6: Final answer
    x = 537.45

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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.