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Finding the Fourth Proportional to 606,604.30, 909,906.45 and 488,506.30

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Solution

The fourth proportional to 606,604.30, 909,906.45 and 488,506.30 is: 732,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,604.30 : 909,906.45 = 488,506.30 : x
  2. Step 2: Convert to fraction form
    606,604.30/909,906.45 = 488,506.30/x
  3. Step 3: Cross multiply
    606,604.30x = 909,906.45 × 488,506.30
  4. Step 4: Simplify right side
    606,604.30x = 444,495,033,235.64
  5. Step 5: Solve for x
    x = 444,495,033,235.64/606,604.30
  6. Step 6: Final answer
    x = 732,759.45

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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.