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Finding the Fourth Proportional to 291,616.98, 437,425.44 and 70,000.98

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Solution

The fourth proportional to 291,616.98, 437,425.44 and 70,000.98 is: 105,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,616.98 : 437,425.44 = 70,000.98 : x
  2. Step 2: Convert to fraction form
    291,616.98/437,425.44 = 70,000.98/x
  3. Step 3: Cross multiply
    291,616.98x = 437,425.44 × 70,000.98
  4. Step 4: Simplify right side
    291,616.98x = 30,620,209,476.93
  5. Step 5: Solve for x
    x = 30,620,209,476.93/291,616.98
  6. Step 6: Final answer
    x = 105,001.46

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Similar ratio
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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.