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Finding the Fourth Proportional to 245,035.40, 366,861.90 and 238,123.40

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Solution

The fourth proportional to 245,035.40, 366,861.90 and 238,123.40 is: 356,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,035.40 : 366,861.90 = 238,123.40 : x
  2. Step 2: Convert to fraction form
    245,035.40/366,861.90 = 238,123.40/x
  3. Step 3: Cross multiply
    245,035.40x = 366,861.90 × 238,123.40
  4. Step 4: Simplify right side
    245,035.40x = 87,358,402,958.46
  5. Step 5: Solve for x
    x = 87,358,402,958.46/245,035.40
  6. Step 6: Final answer
    x = 356,513.40

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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.