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Finding the Fourth Proportional to 581,905.20, 873,246.60 and 266,199.60

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Solution

The fourth proportional to 581,905.20, 873,246.60 and 266,199.60 is: 399,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,905.20 : 873,246.60 = 266,199.60 : x
  2. Step 2: Convert to fraction form
    581,905.20/873,246.60 = 266,199.60/x
  3. Step 3: Cross multiply
    581,905.20x = 873,246.60 × 266,199.60
  4. Step 4: Simplify right side
    581,905.20x = 232,457,895,621.36
  5. Step 5: Solve for x
    x = 232,457,895,621.36/581,905.20
  6. Step 6: Final answer
    x = 399,477.26

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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.