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Finding the Fourth Proportional to 296,555.80, 444,876.90 and 96,885.40

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Solution

The fourth proportional to 296,555.80, 444,876.90 and 96,885.40 is: 145,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,555.80 : 444,876.90 = 96,885.40 : x
  2. Step 2: Convert to fraction form
    296,555.80/444,876.90 = 96,885.40/x
  3. Step 3: Cross multiply
    296,555.80x = 444,876.90 × 96,885.40
  4. Step 4: Simplify right side
    296,555.80x = 43,102,076,407.26
  5. Step 5: Solve for x
    x = 43,102,076,407.26/296,555.80
  6. Step 6: Final answer
    x = 145,342.21

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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.