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Finding the Fourth Proportional to 634,401.52, 875,393.13 and 362,487.03

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Solution

The fourth proportional to 634,401.52, 875,393.13 and 362,487.03 is: 500,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,401.52 : 875,393.13 = 362,487.03 : x
  2. Step 2: Convert to fraction form
    634,401.52/875,393.13 = 362,487.03/x
  3. Step 3: Cross multiply
    634,401.52x = 875,393.13 × 362,487.03
  4. Step 4: Simplify right side
    634,401.52x = 317,318,649,586.70
  5. Step 5: Solve for x
    x = 317,318,649,586.70/634,401.52
  6. Step 6: Final answer
    x = 500,185.83

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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.