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Finding the Fourth Proportional to 217,476.60, 299,435.69 and 197,547.56

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Solution

The fourth proportional to 217,476.60, 299,435.69 and 197,547.56 is: 271,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,476.60 : 299,435.69 = 197,547.56 : x
  2. Step 2: Convert to fraction form
    217,476.60/299,435.69 = 197,547.56/x
  3. Step 3: Cross multiply
    217,476.60x = 299,435.69 × 197,547.56
  4. Step 4: Simplify right side
    217,476.60x = 59,152,788,944.79
  5. Step 5: Solve for x
    x = 59,152,788,944.79/217,476.60
  6. Step 6: Final answer
    x = 271,996.11

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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.