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Finding the Fourth Proportional to 369,495.87, 509,919.43 and 233,480.19

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Solution

The fourth proportional to 369,495.87, 509,919.43 and 233,480.19 is: 322,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,495.87 : 509,919.43 = 233,480.19 : x
  2. Step 2: Convert to fraction form
    369,495.87/509,919.43 = 233,480.19/x
  3. Step 3: Cross multiply
    369,495.87x = 509,919.43 × 233,480.19
  4. Step 4: Simplify right side
    369,495.87x = 119,056,083,642.41
  5. Step 5: Solve for x
    x = 119,056,083,642.41/369,495.87
  6. Step 6: Final answer
    x = 322,212.22

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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.