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Finding the Fourth Proportional to 543,663.14, 750,264.39 and 298,658.21

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Solution

The fourth proportional to 543,663.14, 750,264.39 and 298,658.21 is: 412,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,663.14 : 750,264.39 = 298,658.21 : x
  2. Step 2: Convert to fraction form
    543,663.14/750,264.39 = 298,658.21/x
  3. Step 3: Cross multiply
    543,663.14x = 750,264.39 × 298,658.21
  4. Step 4: Simplify right side
    543,663.14x = 224,072,615,992.82
  5. Step 5: Solve for x
    x = 224,072,615,992.82/543,663.14
  6. Step 6: Final answer
    x = 412,153.41

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1.5x scale

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.