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Finding the Fourth Proportional to 882,703.80, 1,322,694.90 and 657,005.40

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Solution

The fourth proportional to 882,703.80, 1,322,694.90 and 657,005.40 is: 984,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,703.80 : 1,322,694.90 = 657,005.40 : x
  2. Step 2: Convert to fraction form
    882,703.80/1,322,694.90 = 657,005.40/x
  3. Step 3: Cross multiply
    882,703.80x = 1,322,694.90 × 657,005.40
  4. Step 4: Simplify right side
    882,703.80x = 869,017,691,852.46
  5. Step 5: Solve for x
    x = 869,017,691,852.46/882,703.80
  6. Step 6: Final answer
    x = 984,495.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.