Home / 369,276.16-509,601.36-199,510.24

Finding the Fourth Proportional to 369,276.16, 509,601.36 and 199,510.24

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Solution

The fourth proportional to 369,276.16, 509,601.36 and 199,510.24 is: 275,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,276.16 : 509,601.36 = 199,510.24 : x
  2. Step 2: Convert to fraction form
    369,276.16/509,601.36 = 199,510.24/x
  3. Step 3: Cross multiply
    369,276.16x = 509,601.36 × 199,510.24
  4. Step 4: Simplify right side
    369,276.16x = 101,670,689,637.93
  5. Step 5: Solve for x
    x = 101,670,689,637.93/369,276.16
  6. Step 6: Final answer
    x = 275,324.27

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Double scale
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Similar ratio
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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.