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Finding the Fourth Proportional to 545,783.40, 818,675.10 and 246,601.80

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Solution

The fourth proportional to 545,783.40, 818,675.10 and 246,601.80 is: 369,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,783.40 : 818,675.10 = 246,601.80 : x
  2. Step 2: Convert to fraction form
    545,783.40/818,675.10 = 246,601.80/x
  3. Step 3: Cross multiply
    545,783.40x = 818,675.10 × 246,601.80
  4. Step 4: Simplify right side
    545,783.40x = 201,886,753,275.18
  5. Step 5: Solve for x
    x = 201,886,753,275.18/545,783.40
  6. Step 6: Final answer
    x = 369,902.70

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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.