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Finding the Fourth Proportional to 671,544.84, 926,738.10 and 369,749.64

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Solution

The fourth proportional to 671,544.84, 926,738.10 and 369,749.64 is: 510,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,544.84 : 926,738.10 = 369,749.64 : x
  2. Step 2: Convert to fraction form
    671,544.84/926,738.10 = 369,749.64/x
  3. Step 3: Cross multiply
    671,544.84x = 926,738.10 × 369,749.64
  4. Step 4: Simplify right side
    671,544.84x = 342,661,078,849.28
  5. Step 5: Solve for x
    x = 342,661,078,849.28/671,544.84
  6. Step 6: Final answer
    x = 510,257.93

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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.