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Finding the Fourth Proportional to 466,420.41, 643,653 and 262,455.39

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Solution

The fourth proportional to 466,420.41, 643,653 and 262,455.39 is: 362,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,420.41 : 643,653 = 262,455.39 : x
  2. Step 2: Convert to fraction form
    466,420.41/643,653 = 262,455.39/x
  3. Step 3: Cross multiply
    466,420.41x = 643,653 × 262,455.39
  4. Step 4: Simplify right side
    466,420.41x = 168,930,199,139.67
  5. Step 5: Solve for x
    x = 168,930,199,139.67/466,420.41
  6. Step 6: Final answer
    x = 362,184.41

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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.