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Finding the Fourth Proportional to 625,002.28, 862,573.13 and 353,087.67

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Solution

The fourth proportional to 625,002.28, 862,573.13 and 353,087.67 is: 487,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,002.28 : 862,573.13 = 353,087.67 : x
  2. Step 2: Convert to fraction form
    625,002.28/862,573.13 = 353,087.67/x
  3. Step 3: Cross multiply
    625,002.28x = 862,573.13 × 353,087.67
  4. Step 4: Simplify right side
    625,002.28x = 304,563,941,455.72
  5. Step 5: Solve for x
    x = 304,563,941,455.72/625,002.28
  6. Step 6: Final answer
    x = 487,300.53

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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.