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Finding the Fourth Proportional to 600,004.32, 828,031.68 and 328,056

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Solution

The fourth proportional to 600,004.32, 828,031.68 and 328,056 is: 452,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,004.32 : 828,031.68 = 328,056 : x
  2. Step 2: Convert to fraction form
    600,004.32/828,031.68 = 328,056/x
  3. Step 3: Cross multiply
    600,004.32x = 828,031.68 × 328,056
  4. Step 4: Simplify right side
    600,004.32x = 271,640,760,814.08
  5. Step 5: Solve for x
    x = 271,640,760,814.08/600,004.32
  6. Step 6: Final answer
    x = 452,731.34

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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.