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Finding the Fourth Proportional to 592,186.80, 888,971.40 and 339,668.40

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Solution

The fourth proportional to 592,186.80, 888,971.40 and 339,668.40 is: 509,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,186.80 : 888,971.40 = 339,668.40 : x
  2. Step 2: Convert to fraction form
    592,186.80/888,971.40 = 339,668.40/x
  3. Step 3: Cross multiply
    592,186.80x = 888,971.40 × 339,668.40
  4. Step 4: Simplify right side
    592,186.80x = 301,955,493,083.76
  5. Step 5: Solve for x
    x = 301,955,493,083.76/592,186.80
  6. Step 6: Final answer
    x = 509,899.06

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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.