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Finding the Fourth Proportional to 442,090.71, 610,085.19 and 240,886.71

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Solution

The fourth proportional to 442,090.71, 610,085.19 and 240,886.71 is: 332,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,090.71 : 610,085.19 = 240,886.71 : x
  2. Step 2: Convert to fraction form
    442,090.71/610,085.19 = 240,886.71/x
  3. Step 3: Cross multiply
    442,090.71x = 610,085.19 × 240,886.71
  4. Step 4: Simplify right side
    442,090.71x = 146,961,414,464.66
  5. Step 5: Solve for x
    x = 146,961,414,464.66/442,090.71
  6. Step 6: Final answer
    x = 332,423.67

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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.