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Finding the Fourth Proportional to 670,935.20, 925,897.92 and 365,013.32

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Solution

The fourth proportional to 670,935.20, 925,897.92 and 365,013.32 is: 503,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,935.20 : 925,897.92 = 365,013.32 : x
  2. Step 2: Convert to fraction form
    670,935.20/925,897.92 = 365,013.32/x
  3. Step 3: Cross multiply
    670,935.20x = 925,897.92 × 365,013.32
  4. Step 4: Simplify right side
    670,935.20x = 337,965,073,760.29
  5. Step 5: Solve for x
    x = 337,965,073,760.29/670,935.20
  6. Step 6: Final answer
    x = 503,722.38

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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.