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Finding the Fourth Proportional to 416,309.48, 574,521.00 and 255,133.39

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Solution

The fourth proportional to 416,309.48, 574,521.00 and 255,133.39 is: 352,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,309.48 : 574,521.00 = 255,133.39 : x
  2. Step 2: Convert to fraction form
    416,309.48/574,521.00 = 255,133.39/x
  3. Step 3: Cross multiply
    416,309.48x = 574,521.00 × 255,133.39
  4. Step 4: Simplify right side
    416,309.48x = 146,579,487,963.14
  5. Step 5: Solve for x
    x = 146,579,487,963.14/416,309.48
  6. Step 6: Final answer
    x = 352,092.60

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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.