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Finding the Fourth Proportional to 560,636.96, 841,066.22 and 205,654.06

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Solution

The fourth proportional to 560,636.96, 841,066.22 and 205,654.06 is: 308,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,636.96 : 841,066.22 = 205,654.06 : x
  2. Step 2: Convert to fraction form
    560,636.96/841,066.22 = 205,654.06/x
  3. Step 3: Cross multiply
    560,636.96x = 841,066.22 × 205,654.06
  4. Step 4: Simplify right side
    560,636.96x = 172,968,677,638.25
  5. Step 5: Solve for x
    x = 172,968,677,638.25/560,636.96
  6. Step 6: Final answer
    x = 308,521.72

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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.