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Finding the Fourth Proportional to 522,376.40, 783,564.60 and 335,752.40

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Solution

The fourth proportional to 522,376.40, 783,564.60 and 335,752.40 is: 503,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,376.40 : 783,564.60 = 335,752.40 : x
  2. Step 2: Convert to fraction form
    522,376.40/783,564.60 = 335,752.40/x
  3. Step 3: Cross multiply
    522,376.40x = 783,564.60 × 335,752.40
  4. Step 4: Simplify right side
    522,376.40x = 263,083,695,005.04
  5. Step 5: Solve for x
    x = 263,083,695,005.04/522,376.40
  6. Step 6: Final answer
    x = 503,628.60

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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.