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Finding the Fourth Proportional to 462,396.96, 637,852.32 and 376,448.40

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Solution

The fourth proportional to 462,396.96, 637,852.32 and 376,448.40 is: 519,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,396.96 : 637,852.32 = 376,448.40 : x
  2. Step 2: Convert to fraction form
    462,396.96/637,852.32 = 376,448.40/x
  3. Step 3: Cross multiply
    462,396.96x = 637,852.32 × 376,448.40
  4. Step 4: Simplify right side
    462,396.96x = 240,118,485,300.29
  5. Step 5: Solve for x
    x = 240,118,485,300.29/462,396.96
  6. Step 6: Final answer
    x = 519,290.80

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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.