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Finding the Fourth Proportional to 424,478.07, 636,562.94 and 232,495.01

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Solution

The fourth proportional to 424,478.07, 636,562.94 and 232,495.01 is: 348,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,478.07 : 636,562.94 = 232,495.01 : x
  2. Step 2: Convert to fraction form
    424,478.07/636,562.94 = 232,495.01/x
  3. Step 3: Cross multiply
    424,478.07x = 636,562.94 × 232,495.01
  4. Step 4: Simplify right side
    424,478.07x = 147,997,702,755.64
  5. Step 5: Solve for x
    x = 147,997,702,755.64/424,478.07
  6. Step 6: Final answer
    x = 348,658.07

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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.