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Finding the Fourth Proportional to 634,377.28, 875,359.98 and 362,462.78

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Solution

The fourth proportional to 634,377.28, 875,359.98 and 362,462.78 is: 500,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,377.28 : 875,359.98 = 362,462.78 : x
  2. Step 2: Convert to fraction form
    634,377.28/875,359.98 = 362,462.78/x
  3. Step 3: Cross multiply
    634,377.28x = 875,359.98 × 362,462.78
  4. Step 4: Simplify right side
    634,377.28x = 317,285,407,474.75
  5. Step 5: Solve for x
    x = 317,285,407,474.75/634,377.28
  6. Step 6: Final answer
    x = 500,152.54

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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.