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Finding the Fourth Proportional to 486,477.50, 730,048.42 and 170,934.44

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Solution

The fourth proportional to 486,477.50, 730,048.42 and 170,934.44 is: 256,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,477.50 : 730,048.42 = 170,934.44 : x
  2. Step 2: Convert to fraction form
    486,477.50/730,048.42 = 170,934.44/x
  3. Step 3: Cross multiply
    486,477.50x = 730,048.42 × 170,934.44
  4. Step 4: Simplify right side
    486,477.50x = 124,790,417,845.59
  5. Step 5: Solve for x
    x = 124,790,417,845.59/486,477.50
  6. Step 6: Final answer
    x = 256,518.38

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1.5x scale

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.