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Finding the Fourth Proportional to 564,841, 779,285.68 and 361,011.24

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Solution

The fourth proportional to 564,841, 779,285.68 and 361,011.24 is: 498,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,841 : 779,285.68 = 361,011.24 : x
  2. Step 2: Convert to fraction form
    564,841/779,285.68 = 361,011.24/x
  3. Step 3: Cross multiply
    564,841x = 779,285.68 × 361,011.24
  4. Step 4: Simplify right side
    564,841x = 281,330,889,651.04
  5. Step 5: Solve for x
    x = 281,330,889,651.04/564,841
  6. Step 6: Final answer
    x = 498,070.94

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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.