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Finding the Fourth Proportional to 661,699.13, 992,548.69 and 163,063.13

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Solution

The fourth proportional to 661,699.13, 992,548.69 and 163,063.13 is: 244,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,699.13 : 992,548.69 = 163,063.13 : x
  2. Step 2: Convert to fraction form
    661,699.13/992,548.69 = 163,063.13/x
  3. Step 3: Cross multiply
    661,699.13x = 992,548.69 × 163,063.13
  4. Step 4: Simplify right side
    661,699.13x = 161,848,090,698.40
  5. Step 5: Solve for x
    x = 161,848,090,698.40/661,699.13
  6. Step 6: Final answer
    x = 244,594.69

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Double scale
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Similar ratio
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1.5x scale

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.