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Finding the Fourth Proportional to 700,276.68, 965,033.46 and 508,987.08

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Solution

The fourth proportional to 700,276.68, 965,033.46 and 508,987.08 is: 701,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,276.68 : 965,033.46 = 508,987.08 : x
  2. Step 2: Convert to fraction form
    700,276.68/965,033.46 = 508,987.08/x
  3. Step 3: Cross multiply
    700,276.68x = 965,033.46 × 508,987.08
  4. Step 4: Simplify right side
    700,276.68x = 491,189,562,907.70
  5. Step 5: Solve for x
    x = 491,189,562,907.70/700,276.68
  6. Step 6: Final answer
    x = 701,422.13

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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.