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Finding the Fourth Proportional to 469,915.37, 703,985.29 and 364,216.85

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Solution

The fourth proportional to 469,915.37, 703,985.29 and 364,216.85 is: 545,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,915.37 : 703,985.29 = 364,216.85 : x
  2. Step 2: Convert to fraction form
    469,915.37/703,985.29 = 364,216.85/x
  3. Step 3: Cross multiply
    469,915.37x = 703,985.29 × 364,216.85
  4. Step 4: Simplify right side
    469,915.37x = 256,403,300,339.67
  5. Step 5: Solve for x
    x = 256,403,300,339.67/469,915.37
  6. Step 6: Final answer
    x = 545,637.19

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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.