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Finding the Fourth Proportional to 574,677.99, 792,647.78 and 488,038.77

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Solution

The fourth proportional to 574,677.99, 792,647.78 and 488,038.77 is: 673,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,677.99 : 792,647.78 = 488,038.77 : x
  2. Step 2: Convert to fraction form
    574,677.99/792,647.78 = 488,038.77/x
  3. Step 3: Cross multiply
    574,677.99x = 792,647.78 × 488,038.77
  4. Step 4: Simplify right side
    574,677.99x = 386,842,845,154.24
  5. Step 5: Solve for x
    x = 386,842,845,154.24/574,677.99
  6. Step 6: Final answer
    x = 673,147.14

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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.