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Finding the Fourth Proportional to 243,476.40, 364,966.20 and 164,598.60

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Solution

The fourth proportional to 243,476.40, 364,966.20 and 164,598.60 is: 246,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,476.40 : 364,966.20 = 164,598.60 : x
  2. Step 2: Convert to fraction form
    243,476.40/364,966.20 = 164,598.60/x
  3. Step 3: Cross multiply
    243,476.40x = 364,966.20 × 164,598.60
  4. Step 4: Simplify right side
    243,476.40x = 60,072,925,567.32
  5. Step 5: Solve for x
    x = 60,072,925,567.32/243,476.40
  6. Step 6: Final answer
    x = 246,729.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.