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Finding the Fourth Proportional to 470,765.80, 706,148.70 and 432,058.60

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Solution

The fourth proportional to 470,765.80, 706,148.70 and 432,058.60 is: 648,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,765.80 : 706,148.70 = 432,058.60 : x
  2. Step 2: Convert to fraction form
    470,765.80/706,148.70 = 432,058.60/x
  3. Step 3: Cross multiply
    470,765.80x = 706,148.70 × 432,058.60
  4. Step 4: Simplify right side
    470,765.80x = 305,097,618,713.82
  5. Step 5: Solve for x
    x = 305,097,618,713.82/470,765.80
  6. Step 6: Final answer
    x = 648,087.90

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Similar ratio
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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.