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Finding the Fourth Proportional to 468,224.73, 646,151.87 and 253,364.81

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Solution

The fourth proportional to 468,224.73, 646,151.87 and 253,364.81 is: 349,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,224.73 : 646,151.87 = 253,364.81 : x
  2. Step 2: Convert to fraction form
    468,224.73/646,151.87 = 253,364.81/x
  3. Step 3: Cross multiply
    468,224.73x = 646,151.87 × 253,364.81
  4. Step 4: Simplify right side
    468,224.73x = 163,712,141,276.11
  5. Step 5: Solve for x
    x = 163,712,141,276.11/468,224.73
  6. Step 6: Final answer
    x = 349,644.37

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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.