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Finding the Fourth Proportional to 704,696.95, 972,484.34 and 382,407.04

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Solution

The fourth proportional to 704,696.95, 972,484.34 and 382,407.04 is: 527,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,696.95 : 972,484.34 = 382,407.04 : x
  2. Step 2: Convert to fraction form
    704,696.95/972,484.34 = 382,407.04/x
  3. Step 3: Cross multiply
    704,696.95x = 972,484.34 × 382,407.04
  4. Step 4: Simplify right side
    704,696.95x = 371,884,851,131.30
  5. Step 5: Solve for x
    x = 371,884,851,131.30/704,696.95
  6. Step 6: Final answer
    x = 527,723.09

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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.