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Finding the Fourth Proportional to 529.76, 730.74 and 332.93

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Solution

The fourth proportional to 529.76, 730.74 and 332.93 is: 459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.76 : 730.74 = 332.93 : x
  2. Step 2: Convert to fraction form
    529.76/730.74 = 332.93/x
  3. Step 3: Cross multiply
    529.76x = 730.74 × 332.93
  4. Step 4: Simplify right side
    529.76x = 243,281.61
  5. Step 5: Solve for x
    x = 243,281.61/529.76
  6. Step 6: Final answer
    x = 459.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.