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Finding the Fourth Proportional to 443,689.66, 612,417.33 and 262,464.59

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Solution

The fourth proportional to 443,689.66, 612,417.33 and 262,464.59 is: 362,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,689.66 : 612,417.33 = 262,464.59 : x
  2. Step 2: Convert to fraction form
    443,689.66/612,417.33 = 262,464.59/x
  3. Step 3: Cross multiply
    443,689.66x = 612,417.33 × 262,464.59
  4. Step 4: Simplify right side
    443,689.66x = 160,737,860,365.26
  5. Step 5: Solve for x
    x = 160,737,860,365.26/443,689.66
  6. Step 6: Final answer
    x = 362,275.43

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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.