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Finding the Fourth Proportional to 504,463.95, 696,126.56 and 289,574.19

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Solution

The fourth proportional to 504,463.95, 696,126.56 and 289,574.19 is: 399,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,463.95 : 696,126.56 = 289,574.19 : x
  2. Step 2: Convert to fraction form
    504,463.95/696,126.56 = 289,574.19/x
  3. Step 3: Cross multiply
    504,463.95x = 696,126.56 × 289,574.19
  4. Step 4: Simplify right side
    504,463.95x = 201,580,283,301.62
  5. Step 5: Solve for x
    x = 201,580,283,301.62/504,463.95
  6. Step 6: Final answer
    x = 399,593.04

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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.