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Finding the Fourth Proportional to 608,946.60, 913,031.10 and 254,101.80

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Solution

The fourth proportional to 608,946.60, 913,031.10 and 254,101.80 is: 380,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,946.60 : 913,031.10 = 254,101.80 : x
  2. Step 2: Convert to fraction form
    608,946.60/913,031.10 = 254,101.80/x
  3. Step 3: Cross multiply
    608,946.60x = 913,031.10 × 254,101.80
  4. Step 4: Simplify right side
    608,946.60x = 232,002,845,965.98
  5. Step 5: Solve for x
    x = 232,002,845,965.98/608,946.60
  6. Step 6: Final answer
    x = 380,990.46

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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.