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Finding the Fourth Proportional to 608,602.60, 912,903.90 and 187,823.80

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Solution

The fourth proportional to 608,602.60, 912,903.90 and 187,823.80 is: 281,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,602.60 : 912,903.90 = 187,823.80 : x
  2. Step 2: Convert to fraction form
    608,602.60/912,903.90 = 187,823.80/x
  3. Step 3: Cross multiply
    608,602.60x = 912,903.90 × 187,823.80
  4. Step 4: Simplify right side
    608,602.60x = 171,465,079,532.82
  5. Step 5: Solve for x
    x = 171,465,079,532.82/608,602.60
  6. Step 6: Final answer
    x = 281,735.70

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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.