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Finding the Fourth Proportional to 670,710.29, 925,582.62 and 364,786.65

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Solution

The fourth proportional to 670,710.29, 925,582.62 and 364,786.65 is: 503,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,710.29 : 925,582.62 = 364,786.65 : x
  2. Step 2: Convert to fraction form
    670,710.29/925,582.62 = 364,786.65/x
  3. Step 3: Cross multiply
    670,710.29x = 925,582.62 × 364,786.65
  4. Step 4: Simplify right side
    670,710.29x = 337,640,183,248.02
  5. Step 5: Solve for x
    x = 337,640,183,248.02/670,710.29
  6. Step 6: Final answer
    x = 503,406.90

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Double scale
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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.