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Finding the Fourth Proportional to 536,695.64, 740,644.61 and 294,983.84

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Solution

The fourth proportional to 536,695.64, 740,644.61 and 294,983.84 is: 407,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,695.64 : 740,644.61 = 294,983.84 : x
  2. Step 2: Convert to fraction form
    536,695.64/740,644.61 = 294,983.84/x
  3. Step 3: Cross multiply
    536,695.64x = 740,644.61 × 294,983.84
  4. Step 4: Simplify right side
    536,695.64x = 218,478,193,169.08
  5. Step 5: Solve for x
    x = 218,478,193,169.08/536,695.64
  6. Step 6: Final answer
    x = 407,080.25

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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.