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Finding the Fourth Proportional to 443,748.56, 612,373.32 and 242,544.56

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Solution

The fourth proportional to 443,748.56, 612,373.32 and 242,544.56 is: 334,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,748.56 : 612,373.32 = 242,544.56 : x
  2. Step 2: Convert to fraction form
    443,748.56/612,373.32 = 242,544.56/x
  3. Step 3: Cross multiply
    443,748.56x = 612,373.32 × 242,544.56
  4. Step 4: Simplify right side
    443,748.56x = 148,527,817,455.14
  5. Step 5: Solve for x
    x = 148,527,817,455.14/443,748.56
  6. Step 6: Final answer
    x = 334,711.66

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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.