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Finding the Fourth Proportional to 546,264.06, 753,417.09 and 355,338.42

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Solution

The fourth proportional to 546,264.06, 753,417.09 and 355,338.42 is: 490,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,264.06 : 753,417.09 = 355,338.42 : x
  2. Step 2: Convert to fraction form
    546,264.06/753,417.09 = 355,338.42/x
  3. Step 3: Cross multiply
    546,264.06x = 753,417.09 × 355,338.42
  4. Step 4: Simplify right side
    546,264.06x = 267,718,038,361.60
  5. Step 5: Solve for x
    x = 267,718,038,361.60/546,264.06
  6. Step 6: Final answer
    x = 490,089.06

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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.