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Finding the Fourth Proportional to 472,907.96, 652,628.73 and 258,059.81

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Solution

The fourth proportional to 472,907.96, 652,628.73 and 258,059.81 is: 356,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,907.96 : 652,628.73 = 258,059.81 : x
  2. Step 2: Convert to fraction form
    472,907.96/652,628.73 = 258,059.81/x
  3. Step 3: Cross multiply
    472,907.96x = 652,628.73 × 258,059.81
  4. Step 4: Simplify right side
    472,907.96x = 168,417,242,801.20
  5. Step 5: Solve for x
    x = 168,417,242,801.20/472,907.96
  6. Step 6: Final answer
    x = 356,131.13

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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.