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Finding the Fourth Proportional to 609,245.40, 841,915.26 and 458,079.96

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Solution

The fourth proportional to 609,245.40, 841,915.26 and 458,079.96 is: 633,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,245.40 : 841,915.26 = 458,079.96 : x
  2. Step 2: Convert to fraction form
    609,245.40/841,915.26 = 458,079.96/x
  3. Step 3: Cross multiply
    609,245.40x = 841,915.26 × 458,079.96
  4. Step 4: Simplify right side
    609,245.40x = 385,664,508,624.19
  5. Step 5: Solve for x
    x = 385,664,508,624.19/609,245.40
  6. Step 6: Final answer
    x = 633,019.98

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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.