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Finding the Fourth Proportional to 468.36, 702.18 and 297

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Solution

The fourth proportional to 468.36, 702.18 and 297 is: 445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.36 : 702.18 = 297 : x
  2. Step 2: Convert to fraction form
    468.36/702.18 = 297/x
  3. Step 3: Cross multiply
    468.36x = 702.18 × 297
  4. Step 4: Simplify right side
    468.36x = 208,547.46
  5. Step 5: Solve for x
    x = 208,547.46/468.36
  6. Step 6: Final answer
    x = 445.27

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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.