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Finding the Fourth Proportional to 424,054.70, 636,373.65 and 174,736.70

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Solution

The fourth proportional to 424,054.70, 636,373.65 and 174,736.70 is: 262,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,054.70 : 636,373.65 = 174,736.70 : x
  2. Step 2: Convert to fraction form
    424,054.70/636,373.65 = 174,736.70/x
  3. Step 3: Cross multiply
    424,054.70x = 636,373.65 × 174,736.70
  4. Step 4: Simplify right side
    424,054.70x = 111,197,831,567.96
  5. Step 5: Solve for x
    x = 111,197,831,567.96/424,054.70
  6. Step 6: Final answer
    x = 262,225.21

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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.