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Finding the Fourth Proportional to 486,045.33, 670,244.80 and 322,644.19

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Solution

The fourth proportional to 486,045.33, 670,244.80 and 322,644.19 is: 444,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,045.33 : 670,244.80 = 322,644.19 : x
  2. Step 2: Convert to fraction form
    486,045.33/670,244.80 = 322,644.19/x
  3. Step 3: Cross multiply
    486,045.33x = 670,244.80 × 322,644.19
  4. Step 4: Simplify right side
    486,045.33x = 216,250,590,597.71
  5. Step 5: Solve for x
    x = 216,250,590,597.71/486,045.33
  6. Step 6: Final answer
    x = 444,918.56

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Double scale
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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.