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Finding the Fourth Proportional to 472,900.76, 652,590.24 and 258,040.88

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Solution

The fourth proportional to 472,900.76, 652,590.24 and 258,040.88 is: 356,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,900.76 : 652,590.24 = 258,040.88 : x
  2. Step 2: Convert to fraction form
    472,900.76/652,590.24 = 258,040.88/x
  3. Step 3: Cross multiply
    472,900.76x = 652,590.24 × 258,040.88
  4. Step 4: Simplify right side
    472,900.76x = 168,394,959,809.01
  5. Step 5: Solve for x
    x = 168,394,959,809.01/472,900.76
  6. Step 6: Final answer
    x = 356,089.43

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1.5x scale

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.