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Finding the Fourth Proportional to 578,051.60, 807,697.60 and 578,051.60

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Solution

The fourth proportional to 578,051.60, 807,697.60 and 578,051.60 is: 807,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,051.60 : 807,697.60 = 578,051.60 : x
  2. Step 2: Convert to fraction form
    578,051.60/807,697.60 = 578,051.60/x
  3. Step 3: Cross multiply
    578,051.60x = 807,697.60 × 578,051.60
  4. Step 4: Simplify right side
    578,051.60x = 466,890,889,996.16
  5. Step 5: Solve for x
    x = 466,890,889,996.16/578,051.60
  6. Step 6: Final answer
    x = 807,697.60

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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.