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Finding the Fourth Proportional to 572,080.70, 857,788.76 and 216,900.96

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Solution

The fourth proportional to 572,080.70, 857,788.76 and 216,900.96 is: 325,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,080.70 : 857,788.76 = 216,900.96 : x
  2. Step 2: Convert to fraction form
    572,080.70/857,788.76 = 216,900.96/x
  3. Step 3: Cross multiply
    572,080.70x = 857,788.76 × 216,900.96
  4. Step 4: Simplify right side
    572,080.70x = 186,055,204,436.71
  5. Step 5: Solve for x
    x = 186,055,204,436.71/572,080.70
  6. Step 6: Final answer
    x = 325,225.46

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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.