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Finding the Fourth Proportional to 356,502.84, 534,394.22 and 223,476.34

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Solution

The fourth proportional to 356,502.84, 534,394.22 and 223,476.34 is: 334,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,502.84 : 534,394.22 = 223,476.34 : x
  2. Step 2: Convert to fraction form
    356,502.84/534,394.22 = 223,476.34/x
  3. Step 3: Cross multiply
    356,502.84x = 534,394.22 × 223,476.34
  4. Step 4: Simplify right side
    356,502.84x = 119,424,464,402.76
  5. Step 5: Solve for x
    x = 119,424,464,402.76/356,502.84
  6. Step 6: Final answer
    x = 334,988.82

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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.