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Finding the Fourth Proportional to 459,448.72, 634,096.22 and 258,244.72

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Solution

The fourth proportional to 459,448.72, 634,096.22 and 258,244.72 is: 356,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,448.72 : 634,096.22 = 258,244.72 : x
  2. Step 2: Convert to fraction form
    459,448.72/634,096.22 = 258,244.72/x
  3. Step 3: Cross multiply
    459,448.72x = 634,096.22 × 258,244.72
  4. Step 4: Simplify right side
    459,448.72x = 163,752,000,786.96
  5. Step 5: Solve for x
    x = 163,752,000,786.96/459,448.72
  6. Step 6: Final answer
    x = 356,409.74

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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.