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Finding the Fourth Proportional to 634,432.56, 875,436 and 362,518.08

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Solution

The fourth proportional to 634,432.56, 875,436 and 362,518.08 is: 500,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,432.56 : 875,436 = 362,518.08 : x
  2. Step 2: Convert to fraction form
    634,432.56/875,436 = 362,518.08/x
  3. Step 3: Cross multiply
    634,432.56x = 875,436 × 362,518.08
  4. Step 4: Simplify right side
    634,432.56x = 317,361,377,882.88
  5. Step 5: Solve for x
    x = 317,361,377,882.88/634,432.56
  6. Step 6: Final answer
    x = 500,228.70

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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.