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Finding the Fourth Proportional to 291,715.35, 437,572.98 and 70,099.35

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Solution

The fourth proportional to 291,715.35, 437,572.98 and 70,099.35 is: 105,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,715.35 : 437,572.98 = 70,099.35 : x
  2. Step 2: Convert to fraction form
    291,715.35/437,572.98 = 70,099.35/x
  3. Step 3: Cross multiply
    291,715.35x = 437,572.98 × 70,099.35
  4. Step 4: Simplify right side
    291,715.35x = 30,673,581,475.56
  5. Step 5: Solve for x
    x = 30,673,581,475.56/291,715.35
  6. Step 6: Final answer
    x = 105,149.01

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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.