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Finding the Fourth Proportional to 338,929.61, 508,264.37 and 114,229.49

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Solution

The fourth proportional to 338,929.61, 508,264.37 and 114,229.49 is: 171,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,929.61 : 508,264.37 = 114,229.49 : x
  2. Step 2: Convert to fraction form
    338,929.61/508,264.37 = 114,229.49/x
  3. Step 3: Cross multiply
    338,929.61x = 508,264.37 × 114,229.49
  4. Step 4: Simplify right side
    338,929.61x = 58,058,779,199.12
  5. Step 5: Solve for x
    x = 58,058,779,199.12/338,929.61
  6. Step 6: Final answer
    x = 171,300.40

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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.