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Finding the Fourth Proportional to 304,668.54, 420,437.45 and 168,699.56

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Solution

The fourth proportional to 304,668.54, 420,437.45 and 168,699.56 is: 232,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,668.54 : 420,437.45 = 168,699.56 : x
  2. Step 2: Convert to fraction form
    304,668.54/420,437.45 = 168,699.56/x
  3. Step 3: Cross multiply
    304,668.54x = 420,437.45 × 168,699.56
  4. Step 4: Simplify right side
    304,668.54x = 70,927,614,295.36
  5. Step 5: Solve for x
    x = 70,927,614,295.36/304,668.54
  6. Step 6: Final answer
    x = 232,802.55

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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.