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Finding the Fourth Proportional to 542,766.59, 749,107.58 and 301,127.01

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Solution

The fourth proportional to 542,766.59, 749,107.58 and 301,127.01 is: 415,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,766.59 : 749,107.58 = 301,127.01 : x
  2. Step 2: Convert to fraction form
    542,766.59/749,107.58 = 301,127.01/x
  3. Step 3: Cross multiply
    542,766.59x = 749,107.58 × 301,127.01
  4. Step 4: Simplify right side
    542,766.59x = 225,576,525,733.74
  5. Step 5: Solve for x
    x = 225,576,525,733.74/542,766.59
  6. Step 6: Final answer
    x = 415,605.03

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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.