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Finding the Fourth Proportional to 384,429.70, 576,644.55 and 366,058.90

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Solution

The fourth proportional to 384,429.70, 576,644.55 and 366,058.90 is: 549,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,429.70 : 576,644.55 = 366,058.90 : x
  2. Step 2: Convert to fraction form
    384,429.70/576,644.55 = 366,058.90/x
  3. Step 3: Cross multiply
    384,429.70x = 576,644.55 × 366,058.90
  4. Step 4: Simplify right side
    384,429.70x = 211,085,869,664.00
  5. Step 5: Solve for x
    x = 211,085,869,664.00/384,429.70
  6. Step 6: Final answer
    x = 549,088.35

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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.