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Finding the Fourth Proportional to 476,179.84, 657,157.71 and 314,754.94

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Solution

The fourth proportional to 476,179.84, 657,157.71 and 314,754.94 is: 434,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,179.84 : 657,157.71 = 314,754.94 : x
  2. Step 2: Convert to fraction form
    476,179.84/657,157.71 = 314,754.94/x
  3. Step 3: Cross multiply
    476,179.84x = 657,157.71 × 314,754.94
  4. Step 4: Simplify right side
    476,179.84x = 206,843,635,812.87
  5. Step 5: Solve for x
    x = 206,843,635,812.87/476,179.84
  6. Step 6: Final answer
    x = 434,381.34

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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.