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Finding the Fourth Proportional to 542,813.06, 749,094.03 and 301,087.76

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Solution

The fourth proportional to 542,813.06, 749,094.03 and 301,087.76 is: 415,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,813.06 : 749,094.03 = 301,087.76 : x
  2. Step 2: Convert to fraction form
    542,813.06/749,094.03 = 301,087.76/x
  3. Step 3: Cross multiply
    542,813.06x = 749,094.03 × 301,087.76
  4. Step 4: Simplify right side
    542,813.06x = 225,543,043,522.07
  5. Step 5: Solve for x
    x = 225,543,043,522.07/542,813.06
  6. Step 6: Final answer
    x = 415,507.77

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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.