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Finding the Fourth Proportional to 883,445.40, 1,322,543.70 and 883,445.40

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Solution

The fourth proportional to 883,445.40, 1,322,543.70 and 883,445.40 is: 1,322,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,445.40 : 1,322,543.70 = 883,445.40 : x
  2. Step 2: Convert to fraction form
    883,445.40/1,322,543.70 = 883,445.40/x
  3. Step 3: Cross multiply
    883,445.40x = 1,322,543.70 × 883,445.40
  4. Step 4: Simplify right side
    883,445.40x = 1,168,395,148,063.98
  5. Step 5: Solve for x
    x = 1,168,395,148,063.98/883,445.40
  6. Step 6: Final answer
    x = 1,322,543.70

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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.