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Finding the Fourth Proportional to 669,283.65, 923,584.02 and 363,348.17

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Solution

The fourth proportional to 669,283.65, 923,584.02 and 363,348.17 is: 501,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,283.65 : 923,584.02 = 363,348.17 : x
  2. Step 2: Convert to fraction form
    669,283.65/923,584.02 = 363,348.17/x
  3. Step 3: Cross multiply
    669,283.65x = 923,584.02 × 363,348.17
  4. Step 4: Simplify right side
    669,283.65x = 335,582,558,890.32
  5. Step 5: Solve for x
    x = 335,582,558,890.32/669,283.65
  6. Step 6: Final answer
    x = 501,405.58

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Double scale
Find fourth proportional to 669,284.65, 923,585.40 and 363,349.17
Similar ratio
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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.