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Finding the Fourth Proportional to 322,973.93, 487,494.55 and 322,973.93

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Solution

The fourth proportional to 322,973.93, 487,494.55 and 322,973.93 is: 487,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,973.93 : 487,494.55 = 322,973.93 : x
  2. Step 2: Convert to fraction form
    322,973.93/487,494.55 = 322,973.93/x
  3. Step 3: Cross multiply
    322,973.93x = 487,494.55 × 322,973.93
  4. Step 4: Simplify right side
    322,973.93x = 157,448,032,289.54
  5. Step 5: Solve for x
    x = 157,448,032,289.54/322,973.93
  6. Step 6: Final answer
    x = 487,494.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.