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Finding the Fourth Proportional to 542,925.02, 749,326.47 and 301,285.22

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Solution

The fourth proportional to 542,925.02, 749,326.47 and 301,285.22 is: 415,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,925.02 : 749,326.47 = 301,285.22 : x
  2. Step 2: Convert to fraction form
    542,925.02/749,326.47 = 301,285.22/x
  3. Step 3: Cross multiply
    542,925.02x = 749,326.47 × 301,285.22
  4. Step 4: Simplify right side
    542,925.02x = 225,760,986,619.14
  5. Step 5: Solve for x
    x = 225,760,986,619.14/542,925.02
  6. Step 6: Final answer
    x = 415,823.51

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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.