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Finding the Fourth Proportional to 411,030.72, 567,213.84 and 229,737.60

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Solution

The fourth proportional to 411,030.72, 567,213.84 and 229,737.60 is: 317,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,030.72 : 567,213.84 = 229,737.60 : x
  2. Step 2: Convert to fraction form
    411,030.72/567,213.84 = 229,737.60/x
  3. Step 3: Cross multiply
    411,030.72x = 567,213.84 × 229,737.60
  4. Step 4: Simplify right side
    411,030.72x = 130,310,346,288.38
  5. Step 5: Solve for x
    x = 130,310,346,288.38/411,030.72
  6. Step 6: Final answer
    x = 317,033.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.