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Finding the Fourth Proportional to 468,089.49, 645,962.07 and 253,229.51

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Solution

The fourth proportional to 468,089.49, 645,962.07 and 253,229.51 is: 349,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,089.49 : 645,962.07 = 253,229.51 : x
  2. Step 2: Convert to fraction form
    468,089.49/645,962.07 = 253,229.51/x
  3. Step 3: Cross multiply
    468,089.49x = 645,962.07 × 253,229.51
  4. Step 4: Simplify right side
    468,089.49x = 163,576,655,234.88
  5. Step 5: Solve for x
    x = 163,576,655,234.88/468,089.49
  6. Step 6: Final answer
    x = 349,455.95

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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.