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Finding the Fourth Proportional to 704,752.12, 972,558.58 and 382,462.28

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Solution

The fourth proportional to 704,752.12, 972,558.58 and 382,462.28 is: 527,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,752.12 : 972,558.58 = 382,462.28 : x
  2. Step 2: Convert to fraction form
    704,752.12/972,558.58 = 382,462.28/x
  3. Step 3: Cross multiply
    704,752.12x = 972,558.58 × 382,462.28
  4. Step 4: Simplify right side
    704,752.12x = 371,966,971,940.36
  5. Step 5: Solve for x
    x = 371,966,971,940.36/704,752.12
  6. Step 6: Final answer
    x = 527,798.30

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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.