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Finding the Fourth Proportional to 459,779.82, 634,401.06 and 268,756.26

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Solution

The fourth proportional to 459,779.82, 634,401.06 and 268,756.26 is: 370,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,779.82 : 634,401.06 = 268,756.26 : x
  2. Step 2: Convert to fraction form
    459,779.82/634,401.06 = 268,756.26/x
  3. Step 3: Cross multiply
    459,779.82x = 634,401.06 × 268,756.26
  4. Step 4: Simplify right side
    459,779.82x = 170,499,256,225.64
  5. Step 5: Solve for x
    x = 170,499,256,225.64/459,779.82
  6. Step 6: Final answer
    x = 370,828.05

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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.