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Finding the Fourth Proportional to 443,693.40, 612,422.52 and 262,468.35

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Solution

The fourth proportional to 443,693.40, 612,422.52 and 262,468.35 is: 362,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,693.40 : 612,422.52 = 262,468.35 : x
  2. Step 2: Convert to fraction form
    443,693.40/612,422.52 = 262,468.35/x
  3. Step 3: Cross multiply
    443,693.40x = 612,422.52 × 262,468.35
  4. Step 4: Simplify right side
    443,693.40x = 160,741,528,327.24
  5. Step 5: Solve for x
    x = 160,741,528,327.24/443,693.40
  6. Step 6: Final answer
    x = 362,280.64

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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.