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Finding the Fourth Proportional to 542,800.56, 749,076.75 and 301,075.23

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Solution

The fourth proportional to 542,800.56, 749,076.75 and 301,075.23 is: 415,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,800.56 : 749,076.75 = 301,075.23 : x
  2. Step 2: Convert to fraction form
    542,800.56/749,076.75 = 301,075.23/x
  3. Step 3: Cross multiply
    542,800.56x = 749,076.75 × 301,075.23
  4. Step 4: Simplify right side
    542,800.56x = 225,528,454,793.90
  5. Step 5: Solve for x
    x = 225,528,454,793.90/542,800.56
  6. Step 6: Final answer
    x = 415,490.46

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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.