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Finding the Fourth Proportional to 532.92, 798.55 and 313

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Solution

The fourth proportional to 532.92, 798.55 and 313 is: 469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.92 : 798.55 = 313 : x
  2. Step 2: Convert to fraction form
    532.92/798.55 = 313/x
  3. Step 3: Cross multiply
    532.92x = 798.55 × 313
  4. Step 4: Simplify right side
    532.92x = 249,946.15
  5. Step 5: Solve for x
    x = 249,946.15/532.92
  6. Step 6: Final answer
    x = 469.01

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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.