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Finding the Fourth Proportional to 662,776.94, 914,599.57 and 376,259.42

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Solution

The fourth proportional to 662,776.94, 914,599.57 and 376,259.42 is: 519,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,776.94 : 914,599.57 = 376,259.42 : x
  2. Step 2: Convert to fraction form
    662,776.94/914,599.57 = 376,259.42/x
  3. Step 3: Cross multiply
    662,776.94x = 914,599.57 × 376,259.42
  4. Step 4: Simplify right side
    662,776.94x = 344,126,703,740.45
  5. Step 5: Solve for x
    x = 344,126,703,740.45/662,776.94
  6. Step 6: Final answer
    x = 519,219.49

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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.