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Finding the Fourth Proportional to 589,400.40, 882,788.40 and 484,424.40

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Solution

The fourth proportional to 589,400.40, 882,788.40 and 484,424.40 is: 725,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,400.40 : 882,788.40 = 484,424.40 : x
  2. Step 2: Convert to fraction form
    589,400.40/882,788.40 = 484,424.40/x
  3. Step 3: Cross multiply
    589,400.40x = 882,788.40 × 484,424.40
  4. Step 4: Simplify right side
    589,400.40x = 427,644,240,996.96
  5. Step 5: Solve for x
    x = 427,644,240,996.96/589,400.40
  6. Step 6: Final answer
    x = 725,558.11

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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.