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Finding the Fourth Proportional to 563,197.29, 777,215.03 and 308,548.59

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Solution

The fourth proportional to 563,197.29, 777,215.03 and 308,548.59 is: 425,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,197.29 : 777,215.03 = 308,548.59 : x
  2. Step 2: Convert to fraction form
    563,197.29/777,215.03 = 308,548.59/x
  3. Step 3: Cross multiply
    563,197.29x = 777,215.03 × 308,548.59
  4. Step 4: Simplify right side
    563,197.29x = 239,808,600,090.57
  5. Step 5: Solve for x
    x = 239,808,600,090.57/563,197.29
  6. Step 6: Final answer
    x = 425,798.57

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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.