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Finding the Fourth Proportional to 576,133.95, 794,946.13 and 331,071.38

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Solution

The fourth proportional to 576,133.95, 794,946.13 and 331,071.38 is: 456,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,133.95 : 794,946.13 = 331,071.38 : x
  2. Step 2: Convert to fraction form
    576,133.95/794,946.13 = 331,071.38/x
  3. Step 3: Cross multiply
    576,133.95x = 794,946.13 × 331,071.38
  4. Step 4: Simplify right side
    576,133.95x = 263,183,912,284.76
  5. Step 5: Solve for x
    x = 263,183,912,284.76/576,133.95
  6. Step 6: Final answer
    x = 456,810.28

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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.