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Finding the Fourth Proportional to 610,304.36, 842,178.89 and 352,192.04

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Solution

The fourth proportional to 610,304.36, 842,178.89 and 352,192.04 is: 486,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,304.36 : 842,178.89 = 352,192.04 : x
  2. Step 2: Convert to fraction form
    610,304.36/842,178.89 = 352,192.04/x
  3. Step 3: Cross multiply
    610,304.36x = 842,178.89 × 352,192.04
  4. Step 4: Simplify right side
    610,304.36x = 296,608,704,299.96
  5. Step 5: Solve for x
    x = 296,608,704,299.96/610,304.36
  6. Step 6: Final answer
    x = 486,001.28

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1.5x scale

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.