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Finding the Fourth Proportional to 704,747.62, 972,552.36 and 382,457.77

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Solution

The fourth proportional to 704,747.62, 972,552.36 and 382,457.77 is: 527,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,747.62 : 972,552.36 = 382,457.77 : x
  2. Step 2: Convert to fraction form
    704,747.62/972,552.36 = 382,457.77/x
  3. Step 3: Cross multiply
    704,747.62x = 972,552.36 × 382,457.77
  4. Step 4: Simplify right side
    704,747.62x = 371,960,206,813.84
  5. Step 5: Solve for x
    x = 371,960,206,813.84/704,747.62
  6. Step 6: Final answer
    x = 527,792.07

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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.