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Finding the Fourth Proportional to 662,681.75, 994,022.63 and 164,045.75

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Solution

The fourth proportional to 662,681.75, 994,022.63 and 164,045.75 is: 246,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,681.75 : 994,022.63 = 164,045.75 : x
  2. Step 2: Convert to fraction form
    662,681.75/994,022.63 = 164,045.75/x
  3. Step 3: Cross multiply
    662,681.75x = 994,022.63 × 164,045.75
  4. Step 4: Simplify right side
    662,681.75x = 163,065,187,855.32
  5. Step 5: Solve for x
    x = 163,065,187,855.32/662,681.75
  6. Step 6: Final answer
    x = 246,068.63

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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.