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Finding the Fourth Proportional to 554,605.80, 832,043.10 and 160,621.80

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Solution

The fourth proportional to 554,605.80, 832,043.10 and 160,621.80 is: 240,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,605.80 : 832,043.10 = 160,621.80 : x
  2. Step 2: Convert to fraction form
    554,605.80/832,043.10 = 160,621.80/x
  3. Step 3: Cross multiply
    554,605.80x = 832,043.10 × 160,621.80
  4. Step 4: Simplify right side
    554,605.80x = 133,644,260,399.58
  5. Step 5: Solve for x
    x = 133,644,260,399.58/554,605.80
  6. Step 6: Final answer
    x = 240,971.62

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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.