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Finding the Fourth Proportional to 360,326.40, 497,390.64 and 322,535.04

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Solution

The fourth proportional to 360,326.40, 497,390.64 and 322,535.04 is: 445,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,326.40 : 497,390.64 = 322,535.04 : x
  2. Step 2: Convert to fraction form
    360,326.40/497,390.64 = 322,535.04/x
  3. Step 3: Cross multiply
    360,326.40x = 497,390.64 × 322,535.04
  4. Step 4: Simplify right side
    360,326.40x = 160,425,909,968.03
  5. Step 5: Solve for x
    x = 160,425,909,968.03/360,326.40
  6. Step 6: Final answer
    x = 445,223.86

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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.