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Finding the Fourth Proportional to 577,383.40, 866,075.10 and 156,658.60

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Solution

The fourth proportional to 577,383.40, 866,075.10 and 156,658.60 is: 234,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,383.40 : 866,075.10 = 156,658.60 : x
  2. Step 2: Convert to fraction form
    577,383.40/866,075.10 = 156,658.60/x
  3. Step 3: Cross multiply
    577,383.40x = 866,075.10 × 156,658.60
  4. Step 4: Simplify right side
    577,383.40x = 135,678,112,660.86
  5. Step 5: Solve for x
    x = 135,678,112,660.86/577,383.40
  6. Step 6: Final answer
    x = 234,987.90

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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.