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Finding the Fourth Proportional to 703,058.82, 970,220.34 and 380,768.73

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Solution

The fourth proportional to 703,058.82, 970,220.34 and 380,768.73 is: 525,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,058.82 : 970,220.34 = 380,768.73 : x
  2. Step 2: Convert to fraction form
    703,058.82/970,220.34 = 380,768.73/x
  3. Step 3: Cross multiply
    703,058.82x = 970,220.34 × 380,768.73
  4. Step 4: Simplify right side
    703,058.82x = 369,429,566,681.97
  5. Step 5: Solve for x
    x = 369,429,566,681.97/703,058.82
  6. Step 6: Final answer
    x = 525,460.40

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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.