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Finding the Fourth Proportional to 245,061.40, 367,592.10 and 243,311.80

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Solution

The fourth proportional to 245,061.40, 367,592.10 and 243,311.80 is: 364,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,061.40 : 367,592.10 = 243,311.80 : x
  2. Step 2: Convert to fraction form
    245,061.40/367,592.10 = 243,311.80/x
  3. Step 3: Cross multiply
    245,061.40x = 367,592.10 × 243,311.80
  4. Step 4: Simplify right side
    245,061.40x = 89,439,495,516.78
  5. Step 5: Solve for x
    x = 89,439,495,516.78/245,061.40
  6. Step 6: Final answer
    x = 364,967.70

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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.