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Finding the Fourth Proportional to 995,374.64, 1,373,616.96 and 565,655.60

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Solution

The fourth proportional to 995,374.64, 1,373,616.96 and 565,655.60 is: 780,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,374.64 : 1,373,616.96 = 565,655.60 : x
  2. Step 2: Convert to fraction form
    995,374.64/1,373,616.96 = 565,655.60/x
  3. Step 3: Cross multiply
    995,374.64x = 1,373,616.96 × 565,655.60
  4. Step 4: Simplify right side
    995,374.64x = 776,994,125,678.98
  5. Step 5: Solve for x
    x = 776,994,125,678.98/995,374.64
  6. Step 6: Final answer
    x = 780,604.70

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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.