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Finding the Fourth Proportional to 555,848.34, 833,772.51 and 135,123

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Solution

The fourth proportional to 555,848.34, 833,772.51 and 135,123 is: 202,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,848.34 : 833,772.51 = 135,123 : x
  2. Step 2: Convert to fraction form
    555,848.34/833,772.51 = 135,123/x
  3. Step 3: Cross multiply
    555,848.34x = 833,772.51 × 135,123
  4. Step 4: Simplify right side
    555,848.34x = 112,661,842,868.73
  5. Step 5: Solve for x
    x = 112,661,842,868.73/555,848.34
  6. Step 6: Final answer
    x = 202,684.50

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Similar ratio
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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.