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Finding the Fourth Proportional to 336,031.40, 504,047.10 and 328,255.40

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Solution

The fourth proportional to 336,031.40, 504,047.10 and 328,255.40 is: 492,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,031.40 : 504,047.10 = 328,255.40 : x
  2. Step 2: Convert to fraction form
    336,031.40/504,047.10 = 328,255.40/x
  3. Step 3: Cross multiply
    336,031.40x = 504,047.10 × 328,255.40
  4. Step 4: Simplify right side
    336,031.40x = 165,456,182,429.34
  5. Step 5: Solve for x
    x = 165,456,182,429.34/336,031.40
  6. Step 6: Final answer
    x = 492,383.10

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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.