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Finding the Fourth Proportional to 291,866.68, 437,800.14 and 70,250.68

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Solution

The fourth proportional to 291,866.68, 437,800.14 and 70,250.68 is: 105,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,866.68 : 437,800.14 = 70,250.68 : x
  2. Step 2: Convert to fraction form
    291,866.68/437,800.14 = 70,250.68/x
  3. Step 3: Cross multiply
    291,866.68x = 437,800.14 × 70,250.68
  4. Step 4: Simplify right side
    291,866.68x = 30,755,757,539.10
  5. Step 5: Solve for x
    x = 30,755,757,539.10/291,866.68
  6. Step 6: Final answer
    x = 105,376.05

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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.