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Finding the Fourth Proportional to 472,907.98, 652,628.76 and 258,059.83

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Solution

The fourth proportional to 472,907.98, 652,628.76 and 258,059.83 is: 356,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,907.98 : 652,628.76 = 258,059.83 : x
  2. Step 2: Convert to fraction form
    472,907.98/652,628.76 = 258,059.83/x
  3. Step 3: Cross multiply
    472,907.98x = 652,628.76 × 258,059.83
  4. Step 4: Simplify right side
    472,907.98x = 168,417,266,858.71
  5. Step 5: Solve for x
    x = 168,417,266,858.71/472,907.98
  6. Step 6: Final answer
    x = 356,131.16

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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.