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Finding the Fourth Proportional to 277,507.01, 416,005.36 and 99,970.60

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Solution

The fourth proportional to 277,507.01, 416,005.36 and 99,970.60 is: 149,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,507.01 : 416,005.36 = 99,970.60 : x
  2. Step 2: Convert to fraction form
    277,507.01/416,005.36 = 99,970.60/x
  3. Step 3: Cross multiply
    277,507.01x = 416,005.36 × 99,970.60
  4. Step 4: Simplify right side
    277,507.01x = 41,588,305,442.42
  5. Step 5: Solve for x
    x = 41,588,305,442.42/277,507.01
  6. Step 6: Final answer
    x = 149,863.98

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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.