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Finding the Fourth Proportional to 704,798.66, 972,622.81 and 382,508.84

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Solution

The fourth proportional to 704,798.66, 972,622.81 and 382,508.84 is: 527,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,798.66 : 972,622.81 = 382,508.84 : x
  2. Step 2: Convert to fraction form
    704,798.66/972,622.81 = 382,508.84/x
  3. Step 3: Cross multiply
    704,798.66x = 972,622.81 × 382,508.84
  4. Step 4: Simplify right side
    704,798.66x = 372,036,822,810.64
  5. Step 5: Solve for x
    x = 372,036,822,810.64/704,798.66
  6. Step 6: Final answer
    x = 527,862.56

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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.