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Finding the Fourth Proportional to 632,206.30, 948,309.45 and 632,206.30

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Solution

The fourth proportional to 632,206.30, 948,309.45 and 632,206.30 is: 948,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,206.30 : 948,309.45 = 632,206.30 : x
  2. Step 2: Convert to fraction form
    632,206.30/948,309.45 = 632,206.30/x
  3. Step 3: Cross multiply
    632,206.30x = 948,309.45 × 632,206.30
  4. Step 4: Simplify right side
    632,206.30x = 599,527,208,639.54
  5. Step 5: Solve for x
    x = 599,527,208,639.54/632,206.30
  6. Step 6: Final answer
    x = 948,309.45

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Half scale
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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.