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Finding the Fourth Proportional to 443,930.68, 612,626.70 and 242,726.68

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Solution

The fourth proportional to 443,930.68, 612,626.70 and 242,726.68 is: 334,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,930.68 : 612,626.70 = 242,726.68 : x
  2. Step 2: Convert to fraction form
    443,930.68/612,626.70 = 242,726.68/x
  3. Step 3: Cross multiply
    443,930.68x = 612,626.70 × 242,726.68
  4. Step 4: Simplify right side
    443,930.68x = 148,700,844,970.36
  5. Step 5: Solve for x
    x = 148,700,844,970.36/443,930.68
  6. Step 6: Final answer
    x = 334,964.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.