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Finding the Fourth Proportional to 539,124.84, 808,512.12 and 179,199

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Solution

The fourth proportional to 539,124.84, 808,512.12 and 179,199 is: 268,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,124.84 : 808,512.12 = 179,199 : x
  2. Step 2: Convert to fraction form
    539,124.84/808,512.12 = 179,199/x
  3. Step 3: Cross multiply
    539,124.84x = 808,512.12 × 179,199
  4. Step 4: Simplify right side
    539,124.84x = 144,884,563,391.88
  5. Step 5: Solve for x
    x = 144,884,563,391.88/539,124.84
  6. Step 6: Final answer
    x = 268,740.29

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1.5x scale

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.