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Finding the Fourth Proportional to 480,013.71, 718,458.08 and 353,604.30

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Solution

The fourth proportional to 480,013.71, 718,458.08 and 353,604.30 is: 529,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,013.71 : 718,458.08 = 353,604.30 : x
  2. Step 2: Convert to fraction form
    480,013.71/718,458.08 = 353,604.30/x
  3. Step 3: Cross multiply
    480,013.71x = 718,458.08 × 353,604.30
  4. Step 4: Simplify right side
    480,013.71x = 254,049,864,689.72
  5. Step 5: Solve for x
    x = 254,049,864,689.72/480,013.71
  6. Step 6: Final answer
    x = 529,255.43

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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.