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Finding the Fourth Proportional to 808,543.30, 1,133,619.50 and 808,543.30

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Solution

The fourth proportional to 808,543.30, 1,133,619.50 and 808,543.30 is: 1,133,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,543.30 : 1,133,619.50 = 808,543.30 : x
  2. Step 2: Convert to fraction form
    808,543.30/1,133,619.50 = 808,543.30/x
  3. Step 3: Cross multiply
    808,543.30x = 1,133,619.50 × 808,543.30
  4. Step 4: Simplify right side
    808,543.30x = 916,580,451,474.35
  5. Step 5: Solve for x
    x = 916,580,451,474.35/808,543.30
  6. Step 6: Final answer
    x = 1,133,619.50

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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.