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Finding the Fourth Proportional to 808,562.80, 1,133,646.80 and 808,562.80

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Solution

The fourth proportional to 808,562.80, 1,133,646.80 and 808,562.80 is: 1,133,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,562.80 : 1,133,646.80 = 808,562.80 : x
  2. Step 2: Convert to fraction form
    808,562.80/1,133,646.80 = 808,562.80/x
  3. Step 3: Cross multiply
    808,562.80x = 1,133,646.80 × 808,562.80
  4. Step 4: Simplify right side
    808,562.80x = 916,624,630,819.04
  5. Step 5: Solve for x
    x = 916,624,630,819.04/808,562.80
  6. Step 6: Final answer
    x = 1,133,646.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.