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Finding the Fourth Proportional to 500,585.88, 750,721.80 and 163,549.74

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Solution

The fourth proportional to 500,585.88, 750,721.80 and 163,549.74 is: 245,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,585.88 : 750,721.80 = 163,549.74 : x
  2. Step 2: Convert to fraction form
    500,585.88/750,721.80 = 163,549.74/x
  3. Step 3: Cross multiply
    500,585.88x = 750,721.80 × 163,549.74
  4. Step 4: Simplify right side
    500,585.88x = 122,780,355,202.33
  5. Step 5: Solve for x
    x = 122,780,355,202.33/500,585.88
  6. Step 6: Final answer
    x = 245,273.31

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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.