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Finding the Fourth Proportional to 448,464.39, 672,699 and 116,040.39

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Solution

The fourth proportional to 448,464.39, 672,699 and 116,040.39 is: 174,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,464.39 : 672,699 = 116,040.39 : x
  2. Step 2: Convert to fraction form
    448,464.39/672,699 = 116,040.39/x
  3. Step 3: Cross multiply
    448,464.39x = 672,699 × 116,040.39
  4. Step 4: Simplify right side
    448,464.39x = 78,060,254,312.61
  5. Step 5: Solve for x
    x = 78,060,254,312.61/448,464.39
  6. Step 6: Final answer
    x = 174,061.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.