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Finding the Fourth Proportional to 351,901.60, 527,852.50 and 127,257.01

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Solution

The fourth proportional to 351,901.60, 527,852.50 and 127,257.01 is: 190,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,901.60 : 527,852.50 = 127,257.01 : x
  2. Step 2: Convert to fraction form
    351,901.60/527,852.50 = 127,257.01/x
  3. Step 3: Cross multiply
    351,901.60x = 527,852.50 × 127,257.01
  4. Step 4: Simplify right side
    351,901.60x = 67,172,929,233.25
  5. Step 5: Solve for x
    x = 67,172,929,233.25/351,901.60
  6. Step 6: Final answer
    x = 190,885.55

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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.