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Finding the Fourth Proportional to 459,595.26, 634,239.86 and 258,391.26

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Solution

The fourth proportional to 459,595.26, 634,239.86 and 258,391.26 is: 356,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,595.26 : 634,239.86 = 258,391.26 : x
  2. Step 2: Convert to fraction form
    459,595.26/634,239.86 = 258,391.26/x
  3. Step 3: Cross multiply
    459,595.26x = 634,239.86 × 258,391.26
  4. Step 4: Simplify right side
    459,595.26x = 163,882,035,275.67
  5. Step 5: Solve for x
    x = 163,882,035,275.67/459,595.26
  6. Step 6: Final answer
    x = 356,579.04

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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.