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Finding the Fourth Proportional to 536,807.68, 740,811.18 and 295,108.72

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Solution

The fourth proportional to 536,807.68, 740,811.18 and 295,108.72 is: 407,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,807.68 : 740,811.18 = 295,108.72 : x
  2. Step 2: Convert to fraction form
    536,807.68/740,811.18 = 295,108.72/x
  3. Step 3: Cross multiply
    536,807.68x = 740,811.18 × 295,108.72
  4. Step 4: Simplify right side
    536,807.68x = 218,619,839,091.49
  5. Step 5: Solve for x
    x = 218,619,839,091.49/536,807.68
  6. Step 6: Final answer
    x = 407,259.15

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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.