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Finding the Fourth Proportional to 542,925.15, 749,326.64 and 301,285.34

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Solution

The fourth proportional to 542,925.15, 749,326.64 and 301,285.34 is: 415,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,925.15 : 749,326.64 = 301,285.34 : x
  2. Step 2: Convert to fraction form
    542,925.15/749,326.64 = 301,285.34/x
  3. Step 3: Cross multiply
    542,925.15x = 749,326.64 × 301,285.34
  4. Step 4: Simplify right side
    542,925.15x = 225,761,132,256.67
  5. Step 5: Solve for x
    x = 225,761,132,256.67/542,925.15
  6. Step 6: Final answer
    x = 415,823.68

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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.