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Finding the Fourth Proportional to 415,111.58, 572,897.13 and 254,073.86

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Solution

The fourth proportional to 415,111.58, 572,897.13 and 254,073.86 is: 350,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,111.58 : 572,897.13 = 254,073.86 : x
  2. Step 2: Convert to fraction form
    415,111.58/572,897.13 = 254,073.86/x
  3. Step 3: Cross multiply
    415,111.58x = 572,897.13 × 254,073.86
  4. Step 4: Simplify right side
    415,111.58x = 145,558,185,202.02
  5. Step 5: Solve for x
    x = 145,558,185,202.02/415,111.58
  6. Step 6: Final answer
    x = 350,648.34

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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.