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Finding the Fourth Proportional to 607,999.06, 911,506.65 and 253,279.54

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Solution

The fourth proportional to 607,999.06, 911,506.65 and 253,279.54 is: 379,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,999.06 : 911,506.65 = 253,279.54 : x
  2. Step 2: Convert to fraction form
    607,999.06/911,506.65 = 253,279.54/x
  3. Step 3: Cross multiply
    607,999.06x = 911,506.65 × 253,279.54
  4. Step 4: Simplify right side
    607,999.06x = 230,865,985,018.94
  5. Step 5: Solve for x
    x = 230,865,985,018.94/607,999.06
  6. Step 6: Final answer
    x = 379,714.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.