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Finding the Fourth Proportional to 351,521.84, 527,117.04 and 126,852.92

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Solution

The fourth proportional to 351,521.84, 527,117.04 and 126,852.92 is: 190,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,521.84 : 527,117.04 = 126,852.92 : x
  2. Step 2: Convert to fraction form
    351,521.84/527,117.04 = 126,852.92/x
  3. Step 3: Cross multiply
    351,521.84x = 527,117.04 × 126,852.92
  4. Step 4: Simplify right side
    351,521.84x = 66,866,335,705.76
  5. Step 5: Solve for x
    x = 66,866,335,705.76/351,521.84
  6. Step 6: Final answer
    x = 190,219.58

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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.