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Finding the Fourth Proportional to 577,529.88, 862,064.69 and 509,353.53

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Solution

The fourth proportional to 577,529.88, 862,064.69 and 509,353.53 is: 760,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,529.88 : 862,064.69 = 509,353.53 : x
  2. Step 2: Convert to fraction form
    577,529.88/862,064.69 = 509,353.53/x
  3. Step 3: Cross multiply
    577,529.88x = 862,064.69 × 509,353.53
  4. Step 4: Simplify right side
    577,529.88x = 439,095,692,939.86
  5. Step 5: Solve for x
    x = 439,095,692,939.86/577,529.88
  6. Step 6: Final answer
    x = 760,299.52

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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.