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Finding the Fourth Proportional to 424,893.37, 637,357.65 and 125,373.94

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Solution

The fourth proportional to 424,893.37, 637,357.65 and 125,373.94 is: 188,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,893.37 : 637,357.65 = 125,373.94 : x
  2. Step 2: Convert to fraction form
    424,893.37/637,357.65 = 125,373.94/x
  3. Step 3: Cross multiply
    424,893.37x = 637,357.65 × 125,373.94
  4. Step 4: Simplify right side
    424,893.37x = 79,908,041,532.86
  5. Step 5: Solve for x
    x = 79,908,041,532.86/424,893.37
  6. Step 6: Final answer
    x = 188,066.11

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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.