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Finding the Fourth Proportional to 508,502.88, 763,211.16 and 283,533.48

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Solution

The fourth proportional to 508,502.88, 763,211.16 and 283,533.48 is: 425,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,502.88 : 763,211.16 = 283,533.48 : x
  2. Step 2: Convert to fraction form
    508,502.88/763,211.16 = 283,533.48/x
  3. Step 3: Cross multiply
    508,502.88x = 763,211.16 × 283,533.48
  4. Step 4: Simplify right side
    508,502.88x = 216,395,916,169.64
  5. Step 5: Solve for x
    x = 216,395,916,169.64/508,502.88
  6. Step 6: Final answer
    x = 425,554.95

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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.