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Finding the Fourth Proportional to 652,708.10, 900,739.78 and 366,209.48

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Solution

The fourth proportional to 652,708.10, 900,739.78 and 366,209.48 is: 505,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,708.10 : 900,739.78 = 366,209.48 : x
  2. Step 2: Convert to fraction form
    652,708.10/900,739.78 = 366,209.48/x
  3. Step 3: Cross multiply
    652,708.10x = 900,739.78 × 366,209.48
  4. Step 4: Simplify right side
    652,708.10x = 329,859,446,449.11
  5. Step 5: Solve for x
    x = 329,859,446,449.11/652,708.10
  6. Step 6: Final answer
    x = 505,370.54

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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.