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Finding the Fourth Proportional to 554,608.61, 832,257.30 and 355,072.19

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Solution

The fourth proportional to 554,608.61, 832,257.30 and 355,072.19 is: 532,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,608.61 : 832,257.30 = 355,072.19 : x
  2. Step 2: Convert to fraction form
    554,608.61/832,257.30 = 355,072.19/x
  3. Step 3: Cross multiply
    554,608.61x = 832,257.30 × 355,072.19
  4. Step 4: Simplify right side
    554,608.61x = 295,511,417,993.20
  5. Step 5: Solve for x
    x = 295,511,417,993.20/554,608.61
  6. Step 6: Final answer
    x = 532,828.76

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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.