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Finding the Fourth Proportional to 692,022.69, 955,383.66 and 450,184.23

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Solution

The fourth proportional to 692,022.69, 955,383.66 and 450,184.23 is: 621,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,022.69 : 955,383.66 = 450,184.23 : x
  2. Step 2: Convert to fraction form
    692,022.69/955,383.66 = 450,184.23/x
  3. Step 3: Cross multiply
    692,022.69x = 955,383.66 × 450,184.23
  4. Step 4: Simplify right side
    692,022.69x = 430,098,657,331.68
  5. Step 5: Solve for x
    x = 430,098,657,331.68/692,022.69
  6. Step 6: Final answer
    x = 621,509.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.