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Finding the Fourth Proportional to 569,511.68, 786,090.12 and 376,060.64

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Solution

The fourth proportional to 569,511.68, 786,090.12 and 376,060.64 is: 519,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,511.68 : 786,090.12 = 376,060.64 : x
  2. Step 2: Convert to fraction form
    569,511.68/786,090.12 = 376,060.64/x
  3. Step 3: Cross multiply
    569,511.68x = 786,090.12 × 376,060.64
  4. Step 4: Simplify right side
    569,511.68x = 295,617,553,624.88
  5. Step 5: Solve for x
    x = 295,617,553,624.88/569,511.68
  6. Step 6: Final answer
    x = 519,071.98

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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.