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Finding the Fourth Proportional to 672,237.36, 927,675.54 and 366,315.90

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Solution

The fourth proportional to 672,237.36, 927,675.54 and 366,315.90 is: 505,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,237.36 : 927,675.54 = 366,315.90 : x
  2. Step 2: Convert to fraction form
    672,237.36/927,675.54 = 366,315.90/x
  3. Step 3: Cross multiply
    672,237.36x = 927,675.54 × 366,315.90
  4. Step 4: Simplify right side
    672,237.36x = 339,822,300,343.09
  5. Step 5: Solve for x
    x = 339,822,300,343.09/672,237.36
  6. Step 6: Final answer
    x = 505,509.39

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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.