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Finding the Fourth Proportional to 903,832.81, 1,354,347.56 and 523,810.97

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Solution

The fourth proportional to 903,832.81, 1,354,347.56 and 523,810.97 is: 784,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,832.81 : 1,354,347.56 = 523,810.97 : x
  2. Step 2: Convert to fraction form
    903,832.81/1,354,347.56 = 523,810.97/x
  3. Step 3: Cross multiply
    903,832.81x = 1,354,347.56 × 523,810.97
  4. Step 4: Simplify right side
    903,832.81x = 709,422,109,887.55
  5. Step 5: Solve for x
    x = 709,422,109,887.55/903,832.81
  6. Step 6: Final answer
    x = 784,904.14

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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.