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Finding the Fourth Proportional to 804,964.60, 1,208,829.30 and 569,956.60

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Solution

The fourth proportional to 804,964.60, 1,208,829.30 and 569,956.60 is: 855,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,964.60 : 1,208,829.30 = 569,956.60 : x
  2. Step 2: Convert to fraction form
    804,964.60/1,208,829.30 = 569,956.60/x
  3. Step 3: Cross multiply
    804,964.60x = 1,208,829.30 × 569,956.60
  4. Step 4: Simplify right side
    804,964.60x = 688,980,237,808.38
  5. Step 5: Solve for x
    x = 688,980,237,808.38/804,964.60
  6. Step 6: Final answer
    x = 855,913.71

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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.