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Finding the Fourth Proportional to 559,142.76, 838,510.02 and 204,051.72

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Solution

The fourth proportional to 559,142.76, 838,510.02 and 204,051.72 is: 306,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,142.76 : 838,510.02 = 204,051.72 : x
  2. Step 2: Convert to fraction form
    559,142.76/838,510.02 = 204,051.72/x
  3. Step 3: Cross multiply
    559,142.76x = 838,510.02 × 204,051.72
  4. Step 4: Simplify right side
    559,142.76x = 171,099,411,818.23
  5. Step 5: Solve for x
    x = 171,099,411,818.23/559,142.76
  6. Step 6: Final answer
    x = 306,003.09

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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.