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Finding the Fourth Proportional to 618,841, 854,000.58 and 350,569

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Solution

The fourth proportional to 618,841, 854,000.58 and 350,569 is: 483,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,841 : 854,000.58 = 350,569 : x
  2. Step 2: Convert to fraction form
    618,841/854,000.58 = 350,569/x
  3. Step 3: Cross multiply
    618,841x = 854,000.58 × 350,569
  4. Step 4: Simplify right side
    618,841x = 299,386,129,330.02
  5. Step 5: Solve for x
    x = 299,386,129,330.02/618,841
  6. Step 6: Final answer
    x = 483,785.22

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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.