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Finding the Fourth Proportional to 600,628.08, 828,841.86 and 328,689.12

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Solution

The fourth proportional to 600,628.08, 828,841.86 and 328,689.12 is: 453,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,628.08 : 828,841.86 = 328,689.12 : x
  2. Step 2: Convert to fraction form
    600,628.08/828,841.86 = 328,689.12/x
  3. Step 3: Cross multiply
    600,628.08x = 828,841.86 × 328,689.12
  4. Step 4: Simplify right side
    600,628.08x = 272,431,301,582.56
  5. Step 5: Solve for x
    x = 272,431,301,582.56/600,628.08
  6. Step 6: Final answer
    x = 453,577.36

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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.