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Finding the Fourth Proportional to 704,892.34, 972,752.42 and 382,602.51

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Solution

The fourth proportional to 704,892.34, 972,752.42 and 382,602.51 is: 527,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,892.34 : 972,752.42 = 382,602.51 : x
  2. Step 2: Convert to fraction form
    704,892.34/972,752.42 = 382,602.51/x
  3. Step 3: Cross multiply
    704,892.34x = 972,752.42 × 382,602.51
  4. Step 4: Simplify right side
    704,892.34x = 372,177,517,500.57
  5. Step 5: Solve for x
    x = 372,177,517,500.57/704,892.34
  6. Step 6: Final answer
    x = 527,992.00

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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.