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Finding the Fourth Proportional to 355,622.90, 498,701.50 and 355,622.90

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Solution

The fourth proportional to 355,622.90, 498,701.50 and 355,622.90 is: 498,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,622.90 : 498,701.50 = 355,622.90 : x
  2. Step 2: Convert to fraction form
    355,622.90/498,701.50 = 355,622.90/x
  3. Step 3: Cross multiply
    355,622.90x = 498,701.50 × 355,622.90
  4. Step 4: Simplify right side
    355,622.90x = 177,349,673,664.35
  5. Step 5: Solve for x
    x = 177,349,673,664.35/355,622.90
  6. Step 6: Final answer
    x = 498,701.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.