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Finding the Fourth Proportional to 468,222.24, 646,142.08 and 253,357.76

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Solution

The fourth proportional to 468,222.24, 646,142.08 and 253,357.76 is: 349,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,222.24 : 646,142.08 = 253,357.76 : x
  2. Step 2: Convert to fraction form
    468,222.24/646,142.08 = 253,357.76/x
  3. Step 3: Cross multiply
    468,222.24x = 646,142.08 × 253,357.76
  4. Step 4: Simplify right side
    468,222.24x = 163,705,110,030.54
  5. Step 5: Solve for x
    x = 163,705,110,030.54/468,222.24
  6. Step 6: Final answer
    x = 349,631.21

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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.