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Finding the Fourth Proportional to 634,714.98, 875,906.70 and 362,788.74

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Solution

The fourth proportional to 634,714.98, 875,906.70 and 362,788.74 is: 500,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,714.98 : 875,906.70 = 362,788.74 : x
  2. Step 2: Convert to fraction form
    634,714.98/875,906.70 = 362,788.74/x
  3. Step 3: Cross multiply
    634,714.98x = 875,906.70 × 362,788.74
  4. Step 4: Simplify right side
    634,714.98x = 317,769,088,050.56
  5. Step 5: Solve for x
    x = 317,769,088,050.56/634,714.98
  6. Step 6: Final answer
    x = 500,648.48

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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.