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Finding the Fourth Proportional to 550,165.70, 759,230.60 and 346,351.48

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Solution

The fourth proportional to 550,165.70, 759,230.60 and 346,351.48 is: 477,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,165.70 : 759,230.60 = 346,351.48 : x
  2. Step 2: Convert to fraction form
    550,165.70/759,230.60 = 346,351.48/x
  3. Step 3: Cross multiply
    550,165.70x = 759,230.60 × 346,351.48
  4. Step 4: Simplify right side
    550,165.70x = 262,960,641,971.29
  5. Step 5: Solve for x
    x = 262,960,641,971.29/550,165.70
  6. Step 6: Final answer
    x = 477,966.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.