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Finding the Fourth Proportional to 411,083.76, 567,312.12 and 239,000.88

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Solution

The fourth proportional to 411,083.76, 567,312.12 and 239,000.88 is: 329,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,083.76 : 567,312.12 = 239,000.88 : x
  2. Step 2: Convert to fraction form
    411,083.76/567,312.12 = 239,000.88/x
  3. Step 3: Cross multiply
    411,083.76x = 567,312.12 × 239,000.88
  4. Step 4: Simplify right side
    411,083.76x = 135,588,095,914.67
  5. Step 5: Solve for x
    x = 135,588,095,914.67/411,083.76
  6. Step 6: Final answer
    x = 329,830.83

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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.