Home / 369,582.48-509,993.26-208,477.12

Finding the Fourth Proportional to 369,582.48, 509,993.26 and 208,477.12

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Solution

The fourth proportional to 369,582.48, 509,993.26 and 208,477.12 is: 287,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,582.48 : 509,993.26 = 208,477.12 : x
  2. Step 2: Convert to fraction form
    369,582.48/509,993.26 = 208,477.12/x
  3. Step 3: Cross multiply
    369,582.48x = 509,993.26 × 208,477.12
  4. Step 4: Simplify right side
    369,582.48x = 106,321,926,064.21
  5. Step 5: Solve for x
    x = 106,321,926,064.21/369,582.48
  6. Step 6: Final answer
    x = 287,681.19

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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.