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Finding the Fourth Proportional to 577,528.88, 862,063.20 and 509,352.53

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Solution

The fourth proportional to 577,528.88, 862,063.20 and 509,352.53 is: 760,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,528.88 : 862,063.20 = 509,352.53 : x
  2. Step 2: Convert to fraction form
    577,528.88/862,063.20 = 509,352.53/x
  3. Step 3: Cross multiply
    577,528.88x = 862,063.20 × 509,352.53
  4. Step 4: Simplify right side
    577,528.88x = 439,094,067,629.58
  5. Step 5: Solve for x
    x = 439,094,067,629.58/577,528.88
  6. Step 6: Final answer
    x = 760,298.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.