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Finding the Fourth Proportional to 397.84, 592.70 and 373

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Solution

The fourth proportional to 397.84, 592.70 and 373 is: 555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.84 : 592.70 = 373 : x
  2. Step 2: Convert to fraction form
    397.84/592.70 = 373/x
  3. Step 3: Cross multiply
    397.84x = 592.70 × 373
  4. Step 4: Simplify right side
    397.84x = 221,077.10
  5. Step 5: Solve for x
    x = 221,077.10/397.84
  6. Step 6: Final answer
    x = 555.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.