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Finding the Fourth Proportional to 546,573.06, 754,271.85 and 304,871.28

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Solution

The fourth proportional to 546,573.06, 754,271.85 and 304,871.28 is: 420,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,573.06 : 754,271.85 = 304,871.28 : x
  2. Step 2: Convert to fraction form
    546,573.06/754,271.85 = 304,871.28/x
  3. Step 3: Cross multiply
    546,573.06x = 754,271.85 × 304,871.28
  4. Step 4: Simplify right side
    546,573.06x = 229,955,828,349.26
  5. Step 5: Solve for x
    x = 229,955,828,349.26/546,573.06
  6. Step 6: Final answer
    x = 420,722.95

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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.