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Finding the Fourth Proportional to 637,452.40, 955,955.68 and 188,053.92

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Solution

The fourth proportional to 637,452.40, 955,955.68 and 188,053.92 is: 282,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,452.40 : 955,955.68 = 188,053.92 : x
  2. Step 2: Convert to fraction form
    637,452.40/955,955.68 = 188,053.92/x
  3. Step 3: Cross multiply
    637,452.40x = 955,955.68 × 188,053.92
  4. Step 4: Simplify right side
    637,452.40x = 179,771,212,970.27
  5. Step 5: Solve for x
    x = 179,771,212,970.27/637,452.40
  6. Step 6: Final answer
    x = 282,015.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.