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Finding the Fourth Proportional to 466,595.49, 643,913.80 and 262,653.72

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Solution

The fourth proportional to 466,595.49, 643,913.80 and 262,653.72 is: 362,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,595.49 : 643,913.80 = 262,653.72 : x
  2. Step 2: Convert to fraction form
    466,595.49/643,913.80 = 262,653.72/x
  3. Step 3: Cross multiply
    466,595.49x = 643,913.80 × 262,653.72
  4. Step 4: Simplify right side
    466,595.49x = 169,126,351,709.77
  5. Step 5: Solve for x
    x = 169,126,351,709.77/466,595.49
  6. Step 6: Final answer
    x = 362,468.90

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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.