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Finding the Fourth Proportional to 546,879.55, 754,852.26 and 317,488.36

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Solution

The fourth proportional to 546,879.55, 754,852.26 and 317,488.36 is: 438,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,879.55 : 754,852.26 = 317,488.36 : x
  2. Step 2: Convert to fraction form
    546,879.55/754,852.26 = 317,488.36/x
  3. Step 3: Cross multiply
    546,879.55x = 754,852.26 × 317,488.36
  4. Step 4: Simplify right side
    546,879.55x = 239,656,806,069.69
  5. Step 5: Solve for x
    x = 239,656,806,069.69/546,879.55
  6. Step 6: Final answer
    x = 438,225.94

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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.