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Finding the Fourth Proportional to 589,602.98, 813,415.87 and 371,740.02

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Solution

The fourth proportional to 589,602.98, 813,415.87 and 371,740.02 is: 512,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,602.98 : 813,415.87 = 371,740.02 : x
  2. Step 2: Convert to fraction form
    589,602.98/813,415.87 = 371,740.02/x
  3. Step 3: Cross multiply
    589,602.98x = 813,415.87 × 371,740.02
  4. Step 4: Simplify right side
    589,602.98x = 302,379,226,785.69
  5. Step 5: Solve for x
    x = 302,379,226,785.69/589,602.98
  6. Step 6: Final answer
    x = 512,852.27

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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.