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Finding the Fourth Proportional to 556,090.80, 834,136.20 and 377,631.60

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Solution

The fourth proportional to 556,090.80, 834,136.20 and 377,631.60 is: 566,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,090.80 : 834,136.20 = 377,631.60 : x
  2. Step 2: Convert to fraction form
    556,090.80/834,136.20 = 377,631.60/x
  3. Step 3: Cross multiply
    556,090.80x = 834,136.20 × 377,631.60
  4. Step 4: Simplify right side
    556,090.80x = 314,996,187,823.92
  5. Step 5: Solve for x
    x = 314,996,187,823.92/556,090.80
  6. Step 6: Final answer
    x = 566,447.40

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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.