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Finding the Fourth Proportional to 347,672.10, 521,508.15 and 223,256.10

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Solution

The fourth proportional to 347,672.10, 521,508.15 and 223,256.10 is: 334,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,672.10 : 521,508.15 = 223,256.10 : x
  2. Step 2: Convert to fraction form
    347,672.10/521,508.15 = 223,256.10/x
  3. Step 3: Cross multiply
    347,672.10x = 521,508.15 × 223,256.10
  4. Step 4: Simplify right side
    347,672.10x = 116,429,875,687.22
  5. Step 5: Solve for x
    x = 116,429,875,687.22/347,672.10
  6. Step 6: Final answer
    x = 334,884.15

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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.