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Finding the Fourth Proportional to 354,369.80, 530,962.97 and 249,000.14

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Solution

The fourth proportional to 354,369.80, 530,962.97 and 249,000.14 is: 373,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,369.80 : 530,962.97 = 249,000.14 : x
  2. Step 2: Convert to fraction form
    354,369.80/530,962.97 = 249,000.14/x
  3. Step 3: Cross multiply
    354,369.80x = 530,962.97 × 249,000.14
  4. Step 4: Simplify right side
    354,369.80x = 132,209,853,864.82
  5. Step 5: Solve for x
    x = 132,209,853,864.82/354,369.80
  6. Step 6: Final answer
    x = 373,084.43

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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.