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Finding the Fourth Proportional to 472,907.48, 652,628.07 and 258,059.33

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Solution

The fourth proportional to 472,907.48, 652,628.07 and 258,059.33 is: 356,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,907.48 : 652,628.07 = 258,059.33 : x
  2. Step 2: Convert to fraction form
    472,907.48/652,628.07 = 258,059.33/x
  3. Step 3: Cross multiply
    472,907.48x = 652,628.07 × 258,059.33
  4. Step 4: Simplify right side
    472,907.48x = 168,416,761,667.61
  5. Step 5: Solve for x
    x = 168,416,761,667.61/472,907.48
  6. Step 6: Final answer
    x = 356,130.47

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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.