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Finding the Fourth Proportional to 546,721.98, 754,571.88 and 353,366.88

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Solution

The fourth proportional to 546,721.98, 754,571.88 and 353,366.88 is: 487,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,721.98 : 754,571.88 = 353,366.88 : x
  2. Step 2: Convert to fraction form
    546,721.98/754,571.88 = 353,366.88/x
  3. Step 3: Cross multiply
    546,721.98x = 754,571.88 × 353,366.88
  4. Step 4: Simplify right side
    546,721.98x = 266,640,710,971.33
  5. Step 5: Solve for x
    x = 266,640,710,971.33/546,721.98
  6. Step 6: Final answer
    x = 487,708.05

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1.5x scale

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.