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Finding the Fourth Proportional to 504,197, 756,295.48 and 345,945.68

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Solution

The fourth proportional to 504,197, 756,295.48 and 345,945.68 is: 518,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,197 : 756,295.48 = 345,945.68 : x
  2. Step 2: Convert to fraction form
    504,197/756,295.48 = 345,945.68/x
  3. Step 3: Cross multiply
    504,197x = 756,295.48 × 345,945.68
  4. Step 4: Simplify right side
    504,197x = 261,637,154,109.53
  5. Step 5: Solve for x
    x = 261,637,154,109.53/504,197
  6. Step 6: Final answer
    x = 518,918.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.