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Finding the Fourth Proportional to 544,061.42, 815,775.54 and 400,053.36

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Solution

The fourth proportional to 544,061.42, 815,775.54 and 400,053.36 is: 599,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.42 : 815,775.54 = 400,053.36 : x
  2. Step 2: Convert to fraction form
    544,061.42/815,775.54 = 400,053.36/x
  3. Step 3: Cross multiply
    544,061.42x = 815,775.54 × 400,053.36
  4. Step 4: Simplify right side
    544,061.42x = 326,353,745,782.81
  5. Step 5: Solve for x
    x = 326,353,745,782.81/544,061.42
  6. Step 6: Final answer
    x = 599,847.25

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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.