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Finding the Fourth Proportional to 559,499.20, 839,496.80 and 293,196.48

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Solution

The fourth proportional to 559,499.20, 839,496.80 and 293,196.48 is: 439,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,499.20 : 839,496.80 = 293,196.48 : x
  2. Step 2: Convert to fraction form
    559,499.20/839,496.80 = 293,196.48/x
  3. Step 3: Cross multiply
    559,499.20x = 839,496.80 × 293,196.48
  4. Step 4: Simplify right side
    559,499.20x = 246,137,506,731.26
  5. Step 5: Solve for x
    x = 246,137,506,731.26/559,499.20
  6. Step 6: Final answer
    x = 439,924.68

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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.