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Finding the Fourth Proportional to 466,598.30, 699,897.45 and 129,638.30

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Solution

The fourth proportional to 466,598.30, 699,897.45 and 129,638.30 is: 194,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,598.30 : 699,897.45 = 129,638.30 : x
  2. Step 2: Convert to fraction form
    466,598.30/699,897.45 = 129,638.30/x
  3. Step 3: Cross multiply
    466,598.30x = 699,897.45 × 129,638.30
  4. Step 4: Simplify right side
    466,598.30x = 90,733,515,592.34
  5. Step 5: Solve for x
    x = 90,733,515,592.34/466,598.30
  6. Step 6: Final answer
    x = 194,457.45

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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.