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Finding the Fourth Proportional to 967,580.70, 1,450,852.65 and 405,980.70

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Solution

The fourth proportional to 967,580.70, 1,450,852.65 and 405,980.70 is: 608,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,580.70 : 1,450,852.65 = 405,980.70 : x
  2. Step 2: Convert to fraction form
    967,580.70/1,450,852.65 = 405,980.70/x
  3. Step 3: Cross multiply
    967,580.70x = 1,450,852.65 × 405,980.70
  4. Step 4: Simplify right side
    967,580.70x = 589,018,174,443.86
  5. Step 5: Solve for x
    x = 589,018,174,443.86/967,580.70
  6. Step 6: Final answer
    x = 608,753.54

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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.