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Finding the Fourth Proportional to 634,712.94, 875,903.84 and 362,786.67

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Solution

The fourth proportional to 634,712.94, 875,903.84 and 362,786.67 is: 500,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,712.94 : 875,903.84 = 362,786.67 : x
  2. Step 2: Convert to fraction form
    634,712.94/875,903.84 = 362,786.67/x
  3. Step 3: Cross multiply
    634,712.94x = 875,903.84 × 362,786.67
  4. Step 4: Simplify right side
    634,712.94x = 317,766,235,539.88
  5. Step 5: Solve for x
    x = 317,766,235,539.88/634,712.94
  6. Step 6: Final answer
    x = 500,645.59

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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.