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Finding the Fourth Proportional to 468,156.92, 646,051.95 and 253,292.27

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Solution

The fourth proportional to 468,156.92, 646,051.95 and 253,292.27 is: 349,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,156.92 : 646,051.95 = 253,292.27 : x
  2. Step 2: Convert to fraction form
    468,156.92/646,051.95 = 253,292.27/x
  3. Step 3: Cross multiply
    468,156.92x = 646,051.95 × 253,292.27
  4. Step 4: Simplify right side
    468,156.92x = 163,639,961,723.17
  5. Step 5: Solve for x
    x = 163,639,961,723.17/468,156.92
  6. Step 6: Final answer
    x = 349,540.84

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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.