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Finding the Fourth Proportional to 670,755.09, 925,653.96 and 364,838.16

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Solution

The fourth proportional to 670,755.09, 925,653.96 and 364,838.16 is: 503,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,755.09 : 925,653.96 = 364,838.16 : x
  2. Step 2: Convert to fraction form
    670,755.09/925,653.96 = 364,838.16/x
  3. Step 3: Cross multiply
    670,755.09x = 925,653.96 × 364,838.16
  4. Step 4: Simplify right side
    670,755.09x = 337,713,887,563.11
  5. Step 5: Solve for x
    x = 337,713,887,563.11/670,755.09
  6. Step 6: Final answer
    x = 503,483.15

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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.