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Finding the Fourth Proportional to 339,671.48, 509,518.56 and 152,683.52

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Solution

The fourth proportional to 339,671.48, 509,518.56 and 152,683.52 is: 229,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,671.48 : 509,518.56 = 152,683.52 : x
  2. Step 2: Convert to fraction form
    339,671.48/509,518.56 = 152,683.52/x
  3. Step 3: Cross multiply
    339,671.48x = 509,518.56 × 152,683.52
  4. Step 4: Simplify right side
    339,671.48x = 77,795,087,246.13
  5. Step 5: Solve for x
    x = 77,795,087,246.13/339,671.48
  6. Step 6: Final answer
    x = 229,030.38

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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.