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Finding the Fourth Proportional to 540,580.83, 745,877.54 and 322,747.05

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Solution

The fourth proportional to 540,580.83, 745,877.54 and 322,747.05 is: 445,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,580.83 : 745,877.54 = 322,747.05 : x
  2. Step 2: Convert to fraction form
    540,580.83/745,877.54 = 322,747.05/x
  3. Step 3: Cross multiply
    540,580.83x = 745,877.54 × 322,747.05
  4. Step 4: Simplify right side
    540,580.83x = 240,729,774,082.52
  5. Step 5: Solve for x
    x = 240,729,774,082.52/540,580.83
  6. Step 6: Final answer
    x = 445,316.89

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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.