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Finding the Fourth Proportional to 671,430.34, 926,571.18 and 365,523.70

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Solution

The fourth proportional to 671,430.34, 926,571.18 and 365,523.70 is: 504,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,430.34 : 926,571.18 = 365,523.70 : x
  2. Step 2: Convert to fraction form
    671,430.34/926,571.18 = 365,523.70/x
  3. Step 3: Cross multiply
    671,430.34x = 926,571.18 × 365,523.70
  4. Step 4: Simplify right side
    671,430.34x = 338,683,726,026.97
  5. Step 5: Solve for x
    x = 338,683,726,026.97/671,430.34
  6. Step 6: Final answer
    x = 504,421.24

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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.