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Finding the Fourth Proportional to 443,681.61, 612,060.19 and 262,305.19

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Solution

The fourth proportional to 443,681.61, 612,060.19 and 262,305.19 is: 361,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,681.61 : 612,060.19 = 262,305.19 : x
  2. Step 2: Convert to fraction form
    443,681.61/612,060.19 = 262,305.19/x
  3. Step 3: Cross multiply
    443,681.61x = 612,060.19 × 262,305.19
  4. Step 4: Simplify right side
    443,681.61x = 160,546,564,429.39
  5. Step 5: Solve for x
    x = 160,546,564,429.39/443,681.61
  6. Step 6: Final answer
    x = 361,850.84

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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.