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Finding the Fourth Proportional to 704,830.19, 972,666.61 and 382,540.29

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Solution

The fourth proportional to 704,830.19, 972,666.61 and 382,540.29 is: 527,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,830.19 : 972,666.61 = 382,540.29 : x
  2. Step 2: Convert to fraction form
    704,830.19/972,666.61 = 382,540.29/x
  3. Step 3: Cross multiply
    704,830.19x = 972,666.61 × 382,540.29
  4. Step 4: Simplify right side
    704,830.19x = 372,084,167,062.72
  5. Step 5: Solve for x
    x = 372,084,167,062.72/704,830.19
  6. Step 6: Final answer
    x = 527,906.11

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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.