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Finding the Fourth Proportional to 469,570.80, 703,837.80 and 259,359.60

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Solution

The fourth proportional to 469,570.80, 703,837.80 and 259,359.60 is: 388,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,570.80 : 703,837.80 = 259,359.60 : x
  2. Step 2: Convert to fraction form
    469,570.80/703,837.80 = 259,359.60/x
  3. Step 3: Cross multiply
    469,570.80x = 703,837.80 × 259,359.60
  4. Step 4: Simplify right side
    469,570.80x = 182,547,090,272.88
  5. Step 5: Solve for x
    x = 182,547,090,272.88/469,570.80
  6. Step 6: Final answer
    x = 388,753.07

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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.