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Finding the Fourth Proportional to 537,553.80, 806,330.70 and 163,683.72

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Solution

The fourth proportional to 537,553.80, 806,330.70 and 163,683.72 is: 245,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,553.80 : 806,330.70 = 163,683.72 : x
  2. Step 2: Convert to fraction form
    537,553.80/806,330.70 = 163,683.72/x
  3. Step 3: Cross multiply
    537,553.80x = 806,330.70 × 163,683.72
  4. Step 4: Simplify right side
    537,553.80x = 131,983,208,526.20
  5. Step 5: Solve for x
    x = 131,983,208,526.20/537,553.80
  6. Step 6: Final answer
    x = 245,525.58

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Double scale
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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.