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Finding the Fourth Proportional to 670,953.58, 925,923.28 and 365,031.70

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Solution

The fourth proportional to 670,953.58, 925,923.28 and 365,031.70 is: 503,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,953.58 : 925,923.28 = 365,031.70 : x
  2. Step 2: Convert to fraction form
    670,953.58/925,923.28 = 365,031.70/x
  3. Step 3: Cross multiply
    670,953.58x = 925,923.28 × 365,031.70
  4. Step 4: Simplify right side
    670,953.58x = 337,991,343,425.78
  5. Step 5: Solve for x
    x = 337,991,343,425.78/670,953.58
  6. Step 6: Final answer
    x = 503,747.73

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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.