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Finding the Fourth Proportional to 406,294.93, 560,500.89 and 263,101.10

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Solution

The fourth proportional to 406,294.93, 560,500.89 and 263,101.10 is: 362,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,294.93 : 560,500.89 = 263,101.10 : x
  2. Step 2: Convert to fraction form
    406,294.93/560,500.89 = 263,101.10/x
  3. Step 3: Cross multiply
    406,294.93x = 560,500.89 × 263,101.10
  4. Step 4: Simplify right side
    406,294.93x = 147,468,400,709.98
  5. Step 5: Solve for x
    x = 147,468,400,709.98/406,294.93
  6. Step 6: Final answer
    x = 362,959.00

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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.