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Finding the Fourth Proportional to 970.04, 1,454.18 and 353.48

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Solution

The fourth proportional to 970.04, 1,454.18 and 353.48 is: 529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970.04 : 1,454.18 = 353.48 : x
  2. Step 2: Convert to fraction form
    970.04/1,454.18 = 353.48/x
  3. Step 3: Cross multiply
    970.04x = 1,454.18 × 353.48
  4. Step 4: Simplify right side
    970.04x = 514,023.55
  5. Step 5: Solve for x
    x = 514,023.55/970.04
  6. Step 6: Final answer
    x = 529.90

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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.