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Finding the Fourth Proportional to 554,973.10, 832,122.56 and 217,609.56

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Solution

The fourth proportional to 554,973.10, 832,122.56 and 217,609.56 is: 326,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,973.10 : 832,122.56 = 217,609.56 : x
  2. Step 2: Convert to fraction form
    554,973.10/832,122.56 = 217,609.56/x
  3. Step 3: Cross multiply
    554,973.10x = 832,122.56 × 217,609.56
  4. Step 4: Simplify right side
    554,973.10x = 181,077,823,059.63
  5. Step 5: Solve for x
    x = 181,077,823,059.63/554,973.10
  6. Step 6: Final answer
    x = 326,282.16

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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.